Friday, February 29, 2008

What Is The Average Life Of A Notebook Battery?

What Is The Average Life Of A Notebook Battery?

The Average Life Of A Notebook Battery depends on many factors like how have you used it and how often have you charged.On average it has a life of around 3 to 5 years .

In addition to the above info, you should also keep your battery out when not using it for long periods of time. For example, if you're using the A/C adapter for weeks on end..Don't leave the battery plugged in..

Do use the battery at least once a week and, discharge it down to 10%, then charge it back and, remove it if you don't plan to run on it..Batteries are not cheap, so you want to spend a little effort to help it last.

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How to extend battery life of Motorola Razr V3 mobile Phone?

How to extend battery life of Motorola Razr V3 mobile Phone?

If you have Motorola Razor V3 mobile phone and you need to make an emergency call but your phone is only showing one bar on the screen for battery life then just turn your mobile off for about 30 seconds and then turn your mobile phone again on. This little trick starts the reserve battery supply and makes your battery life meter at least two bars more not only on the screen but in reality, though this is a partial supply for the reserve battery power.

If you talk less with Bluetooth, the battery time exceeds more, if you talk more with a Bluetooth headset phone then the battery life decreases. If you use Bluetooth a lot then it would be advisable to purchase another battery for your phone

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What is a lemon battery?

What is a lemon battery?

A lemon battery is made up of two metallic electrodes comprising of two different metals. Lemon battery is just a small experiment which shows how batteries work. Although the lemon battery is not strong enough to make a light bulb work, however it is strong enough to power up a LED (Light Emitting Diode).

The lemon battery is also a very common experiment which is projected in many science textbooks around the world.

To make a lemon battery you need two different metallic objects, most commonly used objects are a Galvanized Nail, a Copper Coin and a juicy lemon. Although potatoes and apples can be used, but lemon is preferred as it has more acidic value.

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The lemon used in the experiment should be disposed of immediately as it becomes poisonous because of the dissolved copper salts.

How to charge a car battery?

How to charge a car battery?

There are many different ways to charge a car battery. The most common and gentle way of charging batteries is called trickle charging. The other ways include slow-charging and quick charging. Quick charging is supposed to be the harshest way of charging the battery.

A car battery is said to be an electric battery which produces electric energy to the starter motor and also to the ignition system of an automobile. These batteries are generally made from lead-acid which create a small 12-volt potential difference by linking six cells which produce around 2 to 2.1 volts per battery. These batteries are made up from plates of lead and lead oxide. These plates are covered with 35% of sulphuric acid and with 65% of water solution which is known as the electrolyte solution.

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How Does Battery Work?

How Does Battery Work?

Batteries work by converting the chemical energy stored in them into electricity. Batteries normally comprise of electrochemical devices like more than one galvanic cells, fuel cells or flow cells. The earliest form or the closest thing to the batteries was known as the Baghdad Batteries which were there around between 250 BC and 640 AD.

The development of modern batteries was started post 1800s with the research and development of “voltaic pile” made by Italian physicist Alessandro Volta. There is some amount of proof and evidence that between 250 BC and 640 AD Baghdad batteries were used as galvanic cells.

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In the year 1748, Benjamin Franklin started research on electricity and used the term battery to describe devices that had charged energy stored in them. The modern battery industry generates annual revenue of US Forty eight billion dollars.

How to buy car battery?

How to buy car battery?

Car batteries can be bought from any store that sells automobile parts or even bought online by logging on to a website that sells car parts on the Internet. While buying a new car battery, it must be kept in mind that the climatic conditions of each country are different. Countries with colder climates require batteries which have higher cold cranking amps ratings (which are abbreviated as CCA) than those that have warmer climates.

The next most important consideration is the reserve capacity rating (or the RC) of the battery. There are two main types of batteries. They are low maintenance or non-sealed batteries and maintenance-free batteries, which can either be non-sealed or sealed. The size of the batteries, the freshness of the battery and warranty period of the battery are also important points to be kept in mind while buying a battery. Batteries contain the highly corrosive and poisonous sulphuric acid electrolytes..

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What Is The Best Way To Store A Rechargeable Battery?

What Is The Best Way To Store A Rechargeable Battery?

Rechargeable batteries
are basically batteries which, as the name suggests, can be recharged to full power through the transmission of electricity. Rechargeable batteries can also be referred to as storage batteries or even secondary cells. They are also sometimes called as accu or akku, which is basically the short form for the term accumulator.

Rechargeable batteries are available in various patterns and many differ substantially due to the fact that they are made up of different types of chemicals, for example, the different types of batteries include nickel-iron, nickel cadmium, lead, gel etc.

For these types of batteries one usually gets specially made chargers, which maximise the charging current of the battery.

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Rechargeable batteries should be stored in dry places, not being exposed to water in the slightest. Also, batteries should not be kept near extreme heat or in sunlight; this is very likely to cause damage to the battery.
see digital camera battereis click here

How Longs Does A Li-Ion Battery Last Before Need To Be Charged?

How Longs Does A Li-Ion Battery Last Before Need To Be Charged?

The time for a Li-ion battery to last before it requires to be charged vary from application to application. More graphical applications require more amount of power resulting in the quick discharge of the battery. The example can be taken from the Li-ion battery used in the mobile phones. If you check the battery timing of the mobiles that have a less graphical environment, it would be far better than the mobiles in which greater resolution and better graphical environment is used.

The size of the lithium ion battery is another factor for the lasting of the lithium ion battery. Bigger batteries can last for the longer time before they require to be charged. Example of this is the batteries of handy cams. There are lithium ion batteries available for the same handy cam with different usage timing. Some batteries can give the timing of one hour and some up to the 3 to 4 hours. So the time after which a lithium ion battery is required to charge only depends upon the type of application you are using the battery for. Other factors like temperature also come into the act but they are very minor factors and can be ignored.

laptop batteries shop here

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Thursday, February 28, 2008

Toshiba Satellite P35-s611

Toshiba Satellite P35-s611 review

Toshiba bills the Satellite P35-S611 as "the ultimate gaming machine" but stocks it with a pile of last year's components. Faced with the demanding system requirements of high-octane games such as Doom 3 and Half-Life 2, today's top gaming laptops need to deliver sizzling performance--and many are doing so in cases that are slimmer and lighter than those of last year's top models. Unfortunately, the Satellite P35-S611 does not convert its massive size into massive power.

Weighing 9.3 pounds (10.8 pounds with its considerable AC adapter) and running approximately 16 inches wide, 11.25 inches deep, and just less than 2.25 inches thick including its rubber feet, the Satellite P35-S611 is one of the larger desktop-replacement notebooks we've recently seen, particularly since a number of vendors have begun to phase out their supersize Pentium 4 models. The Satellite P35-S611's lid is dark blue, and the interior is silver and black. The keyboard is quite wide; the keys are big and reasonably firm. The touch pad is a bit small for our liking, and the mouse buttons are nice and wide, but they're too slim, and they lack any texture to catch your fingers.

The Satellite P35-S611 has a wide-aspect 17-inch display that features a 1,440x900 native resolution; the screen's glossy covering is reflective, which can be distracting. To the right of the keyboard is a vertical row of multimedia controls for operating the Satellite P35-S611's optical drive; the laptop can play CDs (but not DVDs) without booting Windows first. We appreciate the Satellite P35-S611's external volume control wheel, but we wish that there was a mute button, too, and that they both were located near the rest of the multimedia controls. The machine is equipped with a pair of crisp, though not terribly loud, Harman Kardon stereo speakers, which sit below the keyboard in the lower right and left corners so that your hands don't block the speakers when you're typing. Still, we wish the speakers were situated along the front edge so that you could close the lid while playing a CD.

There aren't any major ports or connections missing. The Satellite P35-S611 has three USB 2.0 ports (one on the right, two in back); a four-pin, unpowered FireWire (a.k.a. IEEE 1394) port; a VGA connection for hooking up to an external monitor and an S-Video output for connecting to a TV; and one PCI Express card slot. Aside from a headphone and microphone jack, there's also a handy 4-in-1 memory-card reader that supports SD, MultiMediaCard, Memory Stick, and XD formats. The slot has a removable rubber cover, good for keeping stray debris out of the slot; unfortunately, the cover is not permanently tethered to the notebook and it could easily be lost. For getting online, you get a V.92/56Kbps modem and 10/100 Ethernet connections, as well as built-in 802.11b/g Wi-Fi with Atheros SuperG technology. Our test unit was configured with a multiformat DVD burner. Toshiba bundles a decent software package with the Satellite P35-S611: our system arrived loaded with a trinity of Microsoft apps, including XP Home, Works, and OneNote, as well as ArcSoft ShowBiz DVD 1.3 and Sonic RecordNow for burning CDs and DVDs.

Priced at $1,699 (as of April 2005), the Satellite P35-S611 is on the less-expensive side for a gaming PC, though it features a decidedly limp combination of components. Built on a blazing 3.33GHz Intel Pentium 4 with Hyper-Threading technology (which accounts for the laptop's large size), the Satellite P35-S611's gaming potential is undercut by a weak ATI Mobility Radeon 9000 graphics chip with 64MB of video memory. Its 512MB of prior-generation 333MHz RAM and its gigantic, but sluggardly, 4,200rpm 100GB hard drive don't help matters, either. Though it delivered an adequate performance in CNET Labs office-productivity and Internet-content-creation tests, the Satellite P35-S611 simply couldn't compete with new (and substantially more expensive) Pentium M-powered gaming boxes, such as the Dell Inspiron XPS Gen 2. In fact, the Satellite P35-S611 also got dusted by a slew of better-outfitted Pentium 4 machines, including the Voodoo Envy m760, the HP Pavilion zd8000, and the Fujitsu LifeBook N6010. Surprisingly, the Satellite P35-S611 fared slightly better in our battery-drain test(PA3383-1brs), holding out for nearly three hours.

Toshiba backs the Satellite P35-S611 with an industry-standard one-year limited parts-and-labor warranty, along with one year of 24/7 toll-free phone support. You can opt for several reasonably priced warranty upgrades, extending all the way up to four years of at-home service. Toshiba's support Web site is industrial strength and very well organized. It features sections for driver downloads, tech support, warranty and service, and interactive support. The Satellite P35-S611 comes with some nice support extras, including a system-recovery DVD and both a printed manual and a 230-page PDF user guide.

Toshiba Satellite P35-S611 batteries:Toshiba pa3383-1brs Toshiba pa3383-1brs Toshiba pa3383-1brs

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dell latitude d830 review

dell latitude d830 review

This is a review of the Santa Rosa refresh Dell Latitude D830. First, let’s start with a little background of Dell’s Latitude series.

dell latitude d830

The Latitude series of laptops is part of Dell’s business line. As business machines, they are more focused on reliability, durability and subtlety (whereas the more consumer-oriented Inspirons tout more powerful media-centric features such as a high-end discrete graphics solution, dedicated media keys, more attractive price points, etc.).

Other series in this lineup include the Precision series (high-powered mobile workstations aimed mostly at high-end graphics professionals, particularly those with the need for 3D rendering) and the newly-released economy-class Vostro series, introduced to replace the now long-in-the-tooth business Inspirons. The Latitude sits squarely in the middle of both lines, providing a balance between high performance and price.

The Latitude comes in a wide variety of flavours, but for most people the choice really lies between the 14.1” 630, and the 830 which is the larger, 15.4” model. This model comes in as a desktop replacement, as its weight isn’t suited to lugging all around town.

The configuration I ended up getting was:

2.2GHz Core 2 Duo T7500, 800MHz FSB, 4MB L2 Cache


120GB 5400rpm SATA HDD

8X DVD±RW Dual Layer drive

15.4” WUXGA screen

256MB NVIDIA Quadro NVS 140M

Touchpad with integrated UPEK Fingerprint Reader

Intel 4965 WLAN (802.11a/g/n)

9-cell battery

Dell Bluetooth 2.0 (EDR)

Windows Vista Ultimate with media

4-Year Next-Business-Day Parts and Labor On-Site Response Gold Warranty

4-Year Accidental Damage Warranty

I also opted for a few accessories:

Logitech VX Revolution Cordless Mouse

Belkin Travel Surge Protector

Extra 90W AC Adapter

Western Digital Passport 120GB Portable Hard Drive

Interlink Electronics Bluetooth Remote Control

My total cost came to around $2,700, inclusive of shipping and taxes. This was a little more than I was prepared to spend, but I’ll go into more detail later on.

Reasons for Buying:

The reason I needed NEEDED to buy a new laptop was because my last Windows PC, the Compaq Presario X1000, was in serious need for repair. The hinges and power button action were cracked badly, the hard drive was heating up obscenely and the battery held a charge just longer than it took to hard boil an egg. I was, however, impressed with the high quality of the screen, in particular the high WSXGA+ resolution and the computer’s overall performance. I still had the MacBook Pro, but I wasn’t willing to sacrifice both performance and precious hard drive space on running two operating systems and maintaining project and work files for both OS’ on that same tiny hard drive. I work in advertising and events, and my primary use for the system would be Office 2007 Professional, especially Excel (for my cost estimates and budget controls), Project (for project management, especially critical when running multiple promotions and events at the same time) and PowerPoint (for presentations to clients). As I tend to take on other roles when needed, my computer had to be capable of handling Adobe CS3 (for rendering stage designs, advertising collaterals and other items), Premiere (for Audio-Visual Presentations)

I knew then that I would settle for no less than a 15.4” widescreen laptop with at least WSXGA+ or better resolution – preferring to move up to WUXGA. The system also had to be powerful enough to handle the load of specific software I needed to do my job without buckling or slowing down. Finally, my experience with the X1000’s flimsy plastic parts led me to look for a solid and durable, if not rugged build.

I was initially looking at three manufacturers:

Dell (on the primary recommendation of my wife, whose experience with them was top-notch),
Lenovo (First-hand experience with IBM Thinkpads was overall a good experience, not to mention the generally high reputation they enjoy with many people), and
HP (due to the overall aesthetic appeal and excellent after-sales service here in the Philippines.
On top of these three, I was also reviewing Asus’ latest laptops - in particular the G1. I wasn’t too sold on the look and feel of the current Toshibas, and I certainly didn’t like the “cheap” feeling I got with Acers.

The refresh came just in time for my purchase, actually. I was originally planning to get the Inspiron E1505 based on a recommendation from a friend, who has been a Dell user for a few years. Being from The Philippines (where Dell is neither a prevalent brand nor one with real significant retail market share), it was difficult for me to find and units to personally inspect. Ordinarily I would not have qualms with ordering a notebook I had never seen before, but I was getting worried with reviews of the E1505 being a bit on the chunky side. Thankfully, I found a reseller, CoolToyz, about an hour and a half from my house that would CTO various laptops and resell them in-store. When I found their website, I decided to drop by the store to check out the wide variety of laptops they had on sale. I was honestly not that impressed with the look and feel of the E1505, as it was bulky, felt a bit flimsy (especially the lid) and those white bumpers really rubbed me the wrong way. I had not considered the Latitude until I saw the D820 there, and I definitely liked its look and feel a lot more than the Inspiron, in spite of its subdued, very business-y appearance. Plus it felt like a tank (at least, compared to the 1505). With that experience, I decided the Dell laptop for me would be the Latitude series, in 15.4”.

Another unit they had in the store was the Lenovo Thinkpad Z61t. Now I loved the look and feel of this machine – almost enough to make me switch to the smaller screen size - but its relatively low resolution, lack of discrete graphics and ridiculously tiny touchpad turned me off. It was only when I read of the m and p variations did I start to take this series seriously.

Finally, there were the HP Pavillions in 15.4” and 17” models. Unfortunately, while I like the new look and styles of HP’s entire line of notebooks, their popularity made me reconsider. What good is a stylish notebook (assuming you buy it for that) if everyone and their grade school math teacher’s dog’s got it? Plus the lack of anything higher than WXGA+ on the majority of their notebooks made me scratch them off my list completely.

So that left me with only the Latitude and the Z61 Thinkpads to choose from.

Anyway, I was happy to hear that my cousin would be coming here for vacation in July – which gave me about two months to make up my mind and purchase the thing, taking building and shipping times into account.

And so began my obsessive quest to build my ideal workhorse. After fooling around with Dell’s online configurator for about three weeks, I was glad to hear that the D830’s would be given a Santa Rosa refresh – important to me as I wanted the improved battery life, and I wanted to future-proof it for at least three to four more years. Still, however, I held off on buying since there were still no options for discrete graphics. Finally, on the 15th of June, the new Latitudes received the nVidiaQuadros – in particular, the D830 got the NVS140m. I immediately picked up the phone and made an international phone call to place my order. Since I already knew exactly what I wanted, the call took all of twenty minutes. The CSR gave me multiple upgrades without my asking, such as the hard drive (I had asked for a 100GB), the Bluetooth card and the warranties (I had asked for 3-year business, he upgraded me to 4-year NBD with international coverage and Accidental Damage). All in all, it came to around 800 dollars more than I was willing to spend, but for the value I was getting (considering the relatively high price of components and accessories here in the Philippines) it was worth it. I also figured I was saving on international shipping so that gave me a bit more leeway.

I also told him that I was worried about the lead times on building and shipping as my cousin was set to leave in less than two weeks. He said he would try to expedite my case but could not promise anything. Amazingly, the accessories package arrived the following Tuesday, and the laptop package itself arrived two days later. Wow! All in under a week. That really blew me away.

Unfortunately, there was an error in the confirmation e-mail I received. The CSR had mistakenly added a Kensington Notebook Lock in my accessories order, and omitted the Interlink Electronics Bluetooth Expresscard Remote. I’ll address these issues later, under Customer Support.

Other than that, everything arrived as expected and in excellent time and quality. All I had to do now, was wait for my cousin to arrive... one week and counting...

Build & Design:

My wife and I picked up them up at the airport past midnight, and I could barely contain my excitement. We dropped them off at their house, and they came over the following morning. My package had finally arrived. Boy, was I giddy.

The first thing I did was open up the accessories package. Everything was there, as expected, including the notebook lock. In hindsight, I am glad for the mistake. I realize that there will be times I will have to leave my notebook attached to some projector or video system during an event, and the lock will only help me feel a bit more secure. But I digress.

Finally, after much personal and spiritual ceremony, I opened the laptop package. After wading through the two booklets, the 4 media (Vista Ultimate, Drivers and Diagnostics, McAfee Antivirus and Roxio Creator), and the two AC Adapters, I finally made it through to the laptop.

I was impressed with the weight build and feel of this computer – it just feels so much better when you hold it and you knowit’s yours. The body is constructed from a very sturdy magnesium alloy that is absolutely a wonder to hold. Bear in mind, however, that the LCD bezel and the frame of the keyboard area (the black border housing the speakers and keyboard) is plastic, and not magnesium. I’m not sure why they didn’t just construct the entire chassis in the alloy as I think it would have given a better feel to the whole thing. However, it feels very solid, and you get the immediate feeling that this baby is gonna last you a long while. I can attest to the fact that there is absolutely NO flex in the top casing, except when you grab both ends and twist it left and right. But even then, the flex did not affect the screen whatsoever. No ripples here, anywhere. The hinge action is superb, and I can easily open and close the system with one hand – the base does not lift when opening it.

It is, however, HEAVY. I thought I had grown used to the weight of my X1000, and thought I wouldn’t really get a heavier notebook unless I would move up to a 17”. But overall, the weight has not been that much of a problem for me since I’m already used to lugging close to 15 pounds of office stuff in my backpack.

Unfortunately, the build is not without its minor faults. First of all, there is a tiny gap between the lid and the base when the laptop is closed, giving about a millimetre and a half of wiggle when pressing the two together. Not too big a deal, except it spoiled what would have been an otherwise near-perfect build.

Keyboard Overview

Sleep (Fn) - Puts the OS to sleep.
Battery Meter (Fn) - Launches the Battery Meter, so you can check on the charge status and health of your batter(ies)
LCD Fill Aspect (Fn) - Switches between widescreen (16:9) and standard aspect (4:3) ratio displays.
CRT / LCD Toggle (Fn) - Cycles between LCD only, external only and simultaneous video displays.
Speakers - Stereo speakers. They’re pretty loud, too, for the most part.
Trackpoint and Buttons - For those who just can’t live without their beloved Thinkpad analogues, the trackpoint is here for you. Personally, I don’t use it that much due to its finicky sensitivity, especially the push-to-click option. This can be disabled, however.
Touchpad and Buttons - As with most laptops, nothing new to say here.
Biometric Scanner (Fingerprint Reader) - Used to log in various credentials for BIOS, OS and website access with a mere swipe of a finger. The built in TPM system allows up to 21 unique prints to be saved. So, that’s your ten fingers, your ten toes... and I don’t know... your nose, I guess. In practice, I found it to be a major boon for logging into Windows. Also, on occasion swiping my finger wouldn’t work. It would accept the data, and then I’d get an error message, stating that “there are no fingerprints enrolled for this user.” When I manually type my user name and swipe my finger again, however, it works just fine.
But my experience with the Vault and actually successfully using it to log in to websites has been mixed. With the former, I simply can’t get it to work properly. With the latter, it would work...sometimes. The dialog box would pop up only sporadically whenever I surfed to web pages with login screens. And, strangely enough, after I formatted and reinstalled Windows, the Private Information Manager (that’s the name of the program) would only work on Internet Explorer. How VERY strange. I’ve consulted with three Gold techs on this issue and none of them have been able to solve it yet. I certainly don’t want to have to format and reinstall my OS once AGAIN just to solve this problem.

One thing I forgot to mark in the photo is the built-in microphone. It’s that tiny little hole immediately to the left of the right screen hinge, above the Num Lock and Pause keys.

Status Lights

Power Status Light - Turns on when computer is on
Hard Drive Status Light - Blinks when data is being read from or written to the hard drive
Battery Status Light - Turns on steadily to indicate battery status, whether low or charging
Wireless Status Light - Turns on when Wi-Fi is enabled (see Wi-Fi Catcher)
Bluetooth Status Light - Turns on when Bluetooth is enabled (see Wi-Fi Catcher)
One key feature I wish this notebook had was a media card reader. I am glad that the generally useless (for me, at least) IR port was removed, but I also would have liked the option to replace the Smart Card reader with an SD/MMC/MS reader. Or, alternatively, use the front edge of the laptop and stick the reader there. Unless I’m unaware of a really good reason why businesses do not want this feature on their laptops.

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lenovo thinkpad t61 review

review of lenovo thinkpad t61

Standard aspect ratio business notebooks are becoming more difficult to purchase these days from different manufacturers, but Lenovo has pulled through for another generation with the ThinkPad T61. The 14" 4:3 T61 is one of the last models of its kind on the market, and it is still every bit as durable and refined as the models before it.

lenovo thinkpad t61

The Lenovo(IBM) T61 4:3 14.1" notebook is offered with a wide array of options, with processors spanning from the Intel T7100 to the T7800, ram up to 4GB, hard drive up to 200GB, Intel turbo memory, Intel Wireless-N, and either the 128MB nVidia NVS 140M or Intel X3100 graphics cards.

The following are the features of the 14" T61 being reviewed:

Screen: 14.1-inch SXGA+ (1400 x 1050) TFT Display,150 NIT, 200:1 Contrast

Processor: 2.0GHz Intel Core 2 Duo T7300 (4MB L2 Cache,800MHz FSB)

Hard Drive: 100GB hard drive (Hitatchi 7k100 7200RPM)

Memory: 1GB x2 2GB Total (PC5300, 667 MHz, DDR2 SDRAM) 4GB max memory

Optical Drive: DVD+-R Double layer / DVD+-RW Drive

External Ports and Slots: Three USB 2.0, one ExpressCard slot, VGA, headphone / line-out, microphone-in, modem, 1Gb Ethernet

Wireless: WiFi (Intel 4965AGN 802.11a/b/g/n), Bluetooth 2.0 w/ EDR

Graphics: nVidia NVS 140M (256MB)

Operating System: Windows Vista Ultimate

9-cell Li-Ion battery (10.8V, 7.8AH)

Dimensions: (WxDxH): 12.3" x 10.0/10.9" w/battery x 1.2-1.4"

Weight: 4lbs 11.1oz, 5lbs 11.6oz w/9 cell battery (6lbs 10.3oz travel weight)

Build and Design

Comparing the outside of the 14.1" T61 to the older T60, it's hard to figure out what all has changed. One clue that may stand out depending on how familiar you are with the hinge setup, is the left hinge is wider than the right hinge. Another subtle change that many diehard Thinkpad users will notice is the sticker has changed from being the older multi-color IBM logo, to just "ThinkPad Tseries". Other than that no visible changes have been made. Internally the 14" T-Series has gained a new LCD roll cage, which helps significantly to reduce screen lid flex, and ripples from pressing hard behind the screen.

Opening up the T61 another subtle but slightly odd change is the LCD is off center. If you are really picky about that sort of thing it may drive you insane, but I didn't even notice it after using the notebook for more than five minutes.

Structure wise the notebook is as strong as ever. Just like the T61p, chassis flex is not present, body panels don't squeak under hard pressure, and palm support is excellent for typing. The palm rest has been redesigned from the previous model, but it doesn't look much different without closer inspection. The front lip overhang has increased, and tasks like upgrading ram are a bit easier, since the palm rest seemed easier to slide off and reinstall.

Performance and Benchmarks

The T61 was an excellent all around performer, without any lag or delay opening programs or switching between programs. Much of this can be attributed to the amount of ram and the 7200rm hard drive which was configured with this model. Even tasks such as light gaming were possible with its business grade nVidia NVS 140M, comparable to the consumer nVdia 8400 GT.

Listed below are the standard benchmarks we run on our laptops to make it easier to compare models head to head.

wPrime is a program that forces the processor to do recursive mathematical calculations, the advantage of this program is that it is multi-threaded and can use both processor cores at once, thereby giving more accurate benchmarking measurements than Super Pi.

Windows Vista Experience Index: Vista Index 4.0

Processor 4.9

Memory (RAM) 4.8

Graphics 4.0

Gaming Graphics 4.6

Hard Disk 4.9


The only weakness of the 4:3 T61 is the screen in my opinion. The 200:1 contrast ratio really shows throughout normal use, with menus and other screen objects looking washed out. Some darker screens were difficult to view, with screen elements blending into the background. Brightness levels were acceptable for a 14.1" notebook, and I found my comfortable levels to be set at about 85%.

Viewing angles were average, with the colors tending to invert quickly on its vertical axis. Horizontal angles were better, keeping colors true to more extreme angles. Refresh times were also about average, with items like the mouse cursor showing some faint trailing on quick movement.

Keyboard, Touchpad, and Fingerprint Reader

The keyboard hasn't changed much, in fact it is the identical part number to the one found on the older T60. This is great news for those hoping that the trusted layout and feel stayed the same into the new model. Same goes for the touchpad and fingerprint sensor. With many keyboard reviews, you generally see that particular model being compared against the "ThinkPad Keyboard" and this really holds true. You can type comfortably for hours at this keyboard as if it was your desktop in front of you. The support under the keyboard is very sturdy, with absolutely no flex anywhere.

The touchpad, while being on the small side compared to versions found on other laptops, is still easy to operate. I find the semi-rough texture to be preferable to a polished feel for better control, and it seems to hold up longer to oils on your finger without getting too slick. The Trackpoint hasn't changed much over the years, and gives the same feel as it always has. The buttons for both the touchpad and trackpoint give a nice solid clunk when pressed, never needing to be forced to register the click. The fingerprint reader works great, although in general they take a while to get used to the swiping motion. If you have never used one before, it may be a few days before you get the single stroke login down pat.

Input and Output Ports

The speakers on the T61 (as with the previous ThinkPad models) are slightly below average. With the speakers pointing directly down on the lower edge of the palmrest, sounds were muted slightly. If you had the laptop on a soft surface like a bed, the speakers would be completely blocked. Peak volume levels were lacking for loud movie entertainment, but the headphone jack was an acceptable alternative. Sound output was clear and free of any hiss or other interference. A coax digital output is also available through the advanced or advanced mini dock for connecting to your home stereo.


This T61 was configured with the Intel 4965AGN wireless card, and in daily use it worked without any problems. Reception was always strong and clear if you were within reasonable range of the access point, and it never had any odd dropouts that would kill a long file download. Wired performance was also excellent with the onboard Intel gigabit interface, never giving any hiccups.

Heat and Noise

The T61 managed heat much better than the older T60 under normal use. In situations where the CPU and/or GPU would be close to an idle state, heat was dispersed passively through the chassis and keyboard with the fan turning on in small intervals. Under heavier loads the fans would come on more, but temperature levels stayed in acceptable ranges. Fan noise was minimal, with the 7200rpm drive almost always louder. Below are temperature overlays listed in degrees Fahrenheit:

Battery Of IBM (Lenovo) thinkpad t60

The 9-cell battery on the T61 got just over 4 hours and 30 minutes in testing, with screen brightness at 80%, CPU set to adaptive, and with light internet activity. This was a bit less battery life compared to my 15" T60 running XP, but the key difference seems to be that Vista is slightly more intensive in background activities. For in-flight entertainment, the T61 should be fine for getting through an entire DVD movie.


Being one of the last 4:3 notebooks on the market today, the Lenovo T61 is a clear winner for those who still haven't adjusted to the widescreen format choices. It offers a ton of power for the demanding business user, and you are still able to get most of the features available to the widescreen T61 models. Overall it's great to see Lenovo still notebook format as an option to its customers.

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sony vgp bps4 laptop notebook computer battery

Replacement for sony vgp-bps4 Laptop battery

  • sony vgp-bps4 Laptop Batteries

  • sony vgp-bps4 Laptop battery technical specs.

  • Chemistry: Li-ion

  • Volts: 11.10V

  • Capacity: 4400 mAh

  • Dimension: 20.6 X 4.7 X 2.0CM

  • Net Weight: 300g

  • Color: Black

sony vgp-bps4 battery compatible with batteries code:

Sony Vgp-bps4.

Digital-Batteries shop's goal is offer UK people the best sony vgp-bps4 Laptop Batteries replacement .We have both professional R &D and QA teams that ensure the high quality, excellent performance and safety, and completive price of our products. As we consider our customers to be our best partner in the development of our business, we strive to provide them with both satisfactory and extraordinary before and after sales service.Our tenet is " The Most Reliable Quality and Competitive Price."(don't copy)


sony vgp-bps4 battery fits models:(Please " Ctrl+F " to find this battery fit models)

SONY PCG-9W8L battery , SONY VGN-AX570G battery , SONY VGN-AX580G battery , Sony VGN-BX143C battery , Sony VGN-BX143CP battery , SONY VGN-BX145CP battery , SONY VGN-BX148CP battery , SONY VGN-BX165CP battery , SONY VGN-BX168GP battery , Sony VGN-BX178CP battery , Sony VGN-BX194VP battery , SONY VGN-BX195EP battery , SONY VGN-BX195SP battery , SONY VGN-BX195VP battery , SONY VGN-BX196SP battery , SONY VGN-BX196VP battery , SONY VGN-BX197XP battery , SONY VGN-BX294VP battery , SONY VGN-BX295SP battery , SONY VGN-BX295VP battery , SONY VGN-BX296VP battery , SONY VGN-BX296XP battery , SONY VGN-BX297XP battery , SONY VGN-BX540B battery , SONY VGN-BX541B battery , Sony VGN-BX543B battery , SONY VGN-BX546B battery , SONY VGN-BX563B battery , SONY VGN-BX565B battery , SONY VGN-BX567B battery , Sony VGN-BX90PS battery , SONY VGN-BX90PS1 battery , SONY VGN-BX90PS2 battery , SONY VGN-BX90PS3 battery , SONY VGN-BX90PS4 battery , SONY VGN-BX90PS5 battery , SONY VGN-BX90PS6 battery , SONY VGN-BX90PS7 battery , SONY VGN-BX90PS8 battery , Sony VGN-BX90S battery

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sony vgp-bps4 Laptop battery notes.

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Sony Vaio laptop battery

Li-ion Sony Vaio laptop battery ..

Sony Vaio A series Notebook Battery
(100% OEM Compatible (11.8 Volts , 4400 mAh))

Replacement for sony vgp bps4 battery
Notebook Battery for Sony VGN-BX543B,VGN-BX143CP,VGN-BX143C,VGN-BX178CP,VGN-BX90PS,VGN-BX90S, VGN-BX194VP,VGN-BX195EP, Vgn-ax580g , Vgn-bx143c , Vgn-bx143cp , Vgn-bx168gp , Vgn-bx295sp , Vgn-bx296xp , Vgn-bx297xp , Vgn-bx543b , Vgn-bx90ps4 ,VGN-BX90PS4,VGN-BX90PS5,VGN-BX90PS6,VGN-BX145CP, VGN-BX165CP,VGN-BX295SP,VGN-BX295VP,VGN-BX296VP,VGN-BX296XP,VGN-BX297XP,VGN-BX168GP,VGN-BX90PS7,VGN-BX90PS8,VGN-BX294VP,VGN-AX580G models.
Lithium Ion, Part No. VGP-BPS4. More Details
Sony Vaio FE, FJ, FS, S and SZ series Notebook Battery
(100% OEM Compatible (11.1 Volts , 6600 mAh))

Replacement for sony vgp bps2 battery
Sony Vaio FE, FJ, FS, S and SZ series notebook battery. Works with models Vaio Vgn-fs742/W , Vgn-fs91s , Vgn-s1-Hp , Vgn-s380p , Vgn-s38cp , Vgn-s38gp , Vgn-s470p/S , Vgn-s56gp/S , Vgn-s58gp/B , Vgn-s94ps1 , Vgn-sz120p/B , Vgn-sz12c/B , FE590, FE590GC, FE590PA, FE590PB, FJ170P/B, FJ180P/G, FJ180P/L, FJ180P/R, FJ180P/W, FS500, FJ270P/B, J290, FJ290P1/G, FJ290P1/W, FS500P12, FS520B, FS520, FS530, FS540, FS550, FS570, FS625B/W, FS630/W, FS635B/W, FS640/W, FS645P/H, FS660/W, FS675P/H, FS690, FS730/W, FS740/W, FS742/W, FS745P/H, FS750P/W, FS775P/H, FS780/W, FS790, FS875P/H, FS8900, FS8900P3, FS8900P4, FS8900P5SZ140, SZ160P/C, S150, S150P, S260, S260P, S270, S270P, S360, S360P, S380, S380B, S430P/S, S460/B, S460P/B, S470P/S, S480, S550P/S, S560P/B, S570P/S, S580.
Lithium Ion, Part No. Sony Vgp-bpl2 , Vgp-bps2. More Details
Sony Vaio T , Sony Vaio T2 series Notebook Battery
(100% OEM Compatible (7.4 Volts , 7200 mAh))

Replacement for sony vgp bps3 battery
Sony Vaio T , T2 series Notebook Battery. Works with models T-140PL, T-150L, T-150PL, T-160PL, T-170PL ,T-15CT , T-37gps , T-50BT , T-90psy , T-91ps , T-92ps ,
Lithium Ion, Part No. Sony Vgp-bps3 , Vgp-bps3a. More Details
Sony Vaio TX series Notebook Battery
(100% OEM Compatible (7.4v Volts , 11000 mAh))

Replacement for sony vgp bps5 ,bps5a battery
Sony Vaio Tx series Notebook Battery. Works with models Vgn-tx16c/W , Vgn-tx17gp/W , Vgn-tx17tp , Vgn-tx3xp/B , Vgn-tx670p/B , Vgn-tx790pk1 , Vgn-tx91ps , TX1HP, TX1HP/W,TX1XP, TX15C/W, TX16C, TX17C/B, TX17C/L, TX610P/B, TX650P/B, TX651PB, TX670P/W, TX670P/B, TX90S, TX90PS1, TX90PS3A, TX28CP, TX28CP/L, TX27CP, TX27CP/L, TX27CP/B, TX26C, TX26C/T, TX26C/B, TX26C/W, TX25C, TX25C/W , TX750P/B, TX770PTK1, TX770PWK1, TX770PBK1, TX790PK1L.
Lithium Ion, Part No. Sony Vgp-bps5 , Vgp-bps5a. More Details

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Tuesday, February 26, 2008

hp battery recall

Hewlett-Packard Company Announce Recall of Notebook Computer Batteries

WASHINGTON, D.C. - The U.S. Consumer Product Safety Commission, in cooperation with the firm named below, today announced a voluntary recall of the following consumer product. Consumers should stop using recalled products immediately unless otherwise instructed.

Name of Product: HP and Compaq Notebook Computer Battery Packs

Units: About 135,000 battery packs worldwide, including about 85,000 in the U.S.

Importer: Hewlett-Packard Company, of Palo Alto, Calif.

Hazard: An internal short can cause the battery cells to overheat and melt or char the plastic case, posing a burn and fire hazard.

Incidents/Injuries: HP has received 16 reports of batteries overheating, including four in the U.S. No injuries have been reported. Four cases of minor property damage were reported, including one in the U.S.

Description: The recalled lithium ion rechargeable battery packs are used with various HP and Compaq notebook computers (see list below). The recalled battery packs are a subset of those manufactured March 2004 through September 2004, and will have a bar code label starting with GC, IA, L0 or L1.

Hewlett-Packard and Compaq Notebook Models that may contain a recalled battery pack

HP Pavilion HP Compaq Compaq Presario Compaq Evo

Sold at: National and regional computer and electronics stores, online stores, and from March 2004 through May 2005 for between $1,000 and $3,000. The battery packs also were sold separately for between $100 and $130.

Manufactured in: Battery packs manufactured in China and Taiwan.

Remedy: Consumers should stop using the recalled batteries immediately and contact HP to arrange for a free replacement battery by visiting the Battery Replacement program Web site or by calling HP. After removing the recalled battery for their notebook computer, consumers should plug in the AC adapter to power the notebook until a replacement battery arrives.

Consumer Contact: For additional information, visit the HP Battery Replacement program Web site at or contact HP at (888) 404-7398 between 7 a.m. and 7 p.m. CT Monday through Friday.

Media Contact: Mike Hockey at (281) 927-9379

Picture of Recalled Computer Batteries

Picture of Recalled Computer Batteries

Picture of Recalled Computer Batteries

Picture of Recalled Computer Batteries

NOTE: Recalled battery packs have bar-code labels starting with GC, IA, L0, or L1

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Dell laptop Battery Recall

Dell laptop Battery Recall

Dear Dell Customer,

Dell has identified a potential issue associated with certain batteries sold with Dell Latitude™, Inspiron™, XPS™ and Dell Precision Mobile Workstation™ notebook computers. In cooperation with the U.S. Consumer Product Safety Commission and other regulatory agencies, Dell is voluntarily recalling certain Dell-branded batteries with cells manufactured by Sony and offering free replacements for these batteries. Under rare conditions, it is possible for these batteries to overheat, which could pose a risk of fire.

Potentially affected batteries were sold with the following models of Dell notebook computers or separately as secondary batteries:

  • Latitude: D410, D500, D505, D510, D520, D600, D610, D620, D800, D810
  • Inspiron: 500M, 510M, 600M, 700M,710M, 6000, 6400, 8500, 8600, 9100, 9200, 9300, 9400, E1505, E1705
  • Precision: M20, M60, M70, M90
  • XPS: XPS, XPS Gen2, XPS M170, XPS M1710

In addition, these batteries MAY have also been provided in response to service calls. The batteries were shipped to customers between April 1, 2004 and July 18, 2006. The words "DELL" and "Made in Japan" or "Made in China" or "Battery cell made in Japan, Assembled in China" or "Assembled in Taiwan" are printed on the back of the batteries.

There is a two (2) step process to identify if your battery is affected:

  1. Check if your battery model MAY be affected. If your battery is not listed, you are not affected.
  2. Check if your specific battery PPID (Dell Part Piece Identification) is affected. This step is necessary to identify if your battery is affected. Only some batteries within each model are affected. If the battery is subject to this recall you will be automatically connected to a replacement order form.
Step 1: Is your battery model affected?

The following battery models, only, MAY be subject to recall:















GD785 M3006 X5329





RD857 X5332
C2603 D5555 J1524 TD349







C5340 D6025 JD617



These part numbers are printed on the back of the battery as illustrated below.

Step 2: Is your specific battery affected by this issue?

To determine whether your battery is affected by this issue, you should Click Here.The website will direct you to find and enter an identification number from the back of your battery so as to determine whether the battery is affected by this issue. If the battery is subject to this recall you will be automatically connected to a replacement order form. Dell will also provide a means for you to return the affected battery for proper disposal.

Please note that only the described batteries are subject to this recall and not the notebook computers themselves.

Batteries subject to recall should not be used while awaiting a replacement battery from Dell. You may continue to use your notebook computer using the AC adapter power cord originally provided with your notebook.

Dell apologizes for the inconvenience caused by this issue. Shipment of quality products always has been and continues to be Dell's foremost concern. As always, if you have questions or concerns about this or any other subject, please feel free to contact

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iBook G4 and PowerBook G4 Battery Recall

Battery Recall --Exchange Program iBook G4 and PowerBook G4

Apple has determined that certain lithium-ion batteries containing cells manufactured by Sony Corporation of Japan pose a safety risk that may result in overheating under rare circumstances.

The affected batteries were sold worldwide from October 2003 through August 2006 for use with the following notebook computers: 12-inch iBook G4, 12-inch PowerBook G4 and 15-inch PowerBook G4.

Apple is voluntarily recalling the affected batteries and has initiated a worldwide exchange program to provide eligible customers with a new replacement battery, free of charge. This program is being conducted in cooperation with the U.S. Consumer Product Safety Commission (CPSC) and other international safety authorities.

Identifying your battery

Please use the chart below to identify the battery model and serial numbers that apply to your iBook or PowerBook. If the first 5 digits of your battery’s 12-digit serial number fall within the noted ranges, please order a replacement battery immediately.

To view the model and serial numbers labeled on the bottom of the battery, you must remove the battery from the computer. The battery serial number is printed in black or dark grey lettering beneath a barcode. See photos below.

Battery serial number range
iBook G4
A1061 ZZ338 - ZZ427
3K429 - 3K611
6C519 - 6C552 ending with S9WA, S9WC or S9WD
PowerBook G4
A1079 ZZ411 - ZZ427
3K428 - 3K611
PowerBook G4
and A1148
3K425 - 3K601
6N530 - 6N551 ending with THTA, THTB, or THTC
6N601 ending with THTC

Click the images for a larger view.

Note: After removing the recalled battery from the iBook or PowerBook, consumers should plug in the AC adapter to power the computer until a replacement battery arrives.

If you participated in a previous battery recall for any of these computer models or recently purchased or received from Apple an extra battery for an iBook G3, please check your battery serial number in case you received a replacement battery that is affected by this program.

National and regional resellers, catalogers, and Apple's on-line and retail stores sold the computers with the batteries from October 2003 through August 2006. These batteries were also sold separately and may have been supplied as service replacement units.

The Exchange Process

To begin the battery exchange process, you will be asked for the serial number of your iBook G4 or PowerBook G4, the serial number of your battery and a shipping address.

Customers in Australia, New Zealand, South Pacific Islands and Asia (excluding Japan) should contact their local Apple Authorized Service Provider to obtain a replacement battery.

After serial number verification, a new battery will be shipped to you, free of charge. When you receive the replacement battery, please use the same shipping packaging and included prepaid shipping label to return the recalled battery to Apple for proper disposal.

Note: If your battery serial number does not match any of the ranges listed above, you do not have to exchange your battery.

Thank you for your cooperation with this exchange program.

See apple Powerbook G4 notebook batteries click here

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How does a battery recharge?

How does a battery recharge?
A battery produces electricity through a chemical reaction. In some case this chemical reaction can be force backwards by the application of and electrical current in opposition to the one generated by the batter. Thus the battery can be recharged. However, this only works in batteries that are specifically designed to be rechargeable. If you try this with a battery that is not rechargeable, then excess heat can build up in the battery causing it to explode.

gabstar wrote, "how does the chemical reaction occur? "

It's going on two decades since my last chemistry class. So, I am a little rusty on the particulars of the chemical reactions. However, just what happens will depend on the chemical used to make the batters. There are some commonalities though. As the reaction proceeds, electrons are released from one of the chemicals and into an electrode. These electrons can then be used to power an electrical device. Once the electrons have passed through the device they go back into the battery at a second electrode.

When the electrons are released by the one chemical in the battery, then that atom or compound becomes an ion. At the same time that the electrons are traveling through the wires of the device, the ions are also traveling through the battery toward the second electrode. At this second electrode, the ions and electrons meet up again and the process is complete.
See more battery about laptop click here

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Sunday, February 24, 2008

Dell Inspiron 1520 Review

Dell Inspiron 1520 Review

The Dell Inspiron 1520 under review here is the latest 15.4” in an ever-growing succession of what can be categorized as “consumer mainstream” notebooks offered by Dell’s Home & Home Office division. Since the release of the 1520, Dell has also made available a very similar machine, the Vostro 1500, which can be purchased from the Small Business site. Unlike the Inspiron 1520, which can be configured with any one of eight different colors, the Vostro 1500 is solid black. The Vostro also provides a Windows XP option, which is unavailable in the Inspiron 1520.

It should also be noted, for the benefit of anyone who is somewhat new to this website, that there is plenty of additional information on the 1520, including an excellent full-featured review by someone who actually purchased the 1520, as well as a side-by-side comparison of the 1520 and the HP dv6500t; this comparison includes a video that is definitely worth watching for anyone considering the Inspiron 1520, the HP dv6500t or any other 15.4” consumer notebook.

Dell Inspiron 1520 Specs:

* Processor: Intel Core 2 Duo T7300 (2.0 GHz/4MB L2 Cache)

* OS: Microsoft Vista Home Premium

* Hard Drive: 160 GB SATA @ 5400RPM

* Screen: 15.4" WSXGA Widescreen (1680 x 1050)

* Graphics: NVIDIA GeForce 8600M GT 256MB

* RAM: 2.0GB DDR2 SDRAM @667 MHz (2 x 1GB)

* Optical Drive: 8x CD/DVD burner (DVD+/-RW) w/Double Layer Support

* Battery: 9-cell lithium ion >>see more dell laptop battery

* Wireless: Intel 4965AGN

* Weight: 6.4 lbs

* Dimensions: 1.47-1.65” (H) x 14.12 “ (W) x 10.59" (D)

* Ports/Slots: 1 IEEE 1394 (FireWire); 4 Universal Serial Bus (USB 2.0); 8-in-1 Memory Card Reader; VGA Out; S-Video; RJ-45 Ethernet LAN; RJ-11 Modem; ExpressCard 54mm; stereo in, headphone/speaker out and dual digital mics

Initial Impressions

This Inspiron 1520 weighs about six and a half pounds and is considered a mainstream consumer notebook. Though Dell allows customization of the lid in up to eight different colors, our model has a conservative looking black lid. Because of that our machine lacks some of the consumer flair a “Flamingo Pink” lid would have offered. Nonetheless, my first impressions had to do with a couple of things that distinguish the 1520 from its predecessors:

The overall look is very different, in a good way.
The hardware, particularly in the form of graphics processing, will allow the 1520 to perform about as well as any notebook on the market, with the exception of outlandishly expensive gaming machines that lack any concessions with respect to size, battery life and cost.
These two characteristics are what make the 1520 such an impressive achievement. I actually briefly owned the previous Inspiron generation's e1705 model, and reviewed the prior-generation e1405 thin-and-light notebook. I must say, the look of the current lineup is immeasurably more appealing. The old silver-and-white style always got me thinking of things like shag carpet and popcorn ceilings: sure, one can make a case for these innovations, just as one can make a case for thick white plastic trim around a notebook, but in the end (which usually comes within a matter of weeks if not months), the style grows tired, the initial promise hollow. The new Inspiron series design is cleaner, simpler and more tasteful. A cousin of the 1520, which shares its look, is the AMD-based Inspiron 1521.

Purchasing Considerations

Though this notebook was sent by Dell for review purposes and not purchased, I wanted to touch on the above topic, simply because there is something of an art to purchasing a Dell consumer notebook. There are many decisions to make, and like all decisions, they carry with them the opportunity for regret or satisfaction. I heartily endorse this web site’s forums for a little glimpse into the thought, action and subsequent level of satisfaction of other buyers.

As of this writing, deliberately moving along the Dell purchasing highway results in:

An Inspiron 1520 with a fairly basic configuration, but one more than adequate for general media and office tasks, for just over $900.

A deluxe performance configuration, virtually identical to this review machine, for just over $1500.
These prices reflect no special discounts or coupons, just today’s standard upgrades and reductions, which are plainly available to anyone who orders a 1520 today. In any case, at the high end particularly, these prices strike me as very competitive, and a savvy shopper who finds coupons, buys their own memory and times the Dell marketing promotions can do better on price.

One thing I found interesting while configuring a couple of 1520s on the Dell site was the price of a RAM upgrade from 2GB to 4GB: $850. Had I selected a higher-priced starting point, meaning a more full-figured set of warranty and support options, the cost of these 2 gigabytes of RAM would have moved away from the direction of a cool grand, but not by much. I saw no mention of this upgrade including a complimentary iPhone or round-trip flight to London, but it is there and available. That said, I would definitely opt for the T7300 CPU and the 8600M GT graphics included in this review model, if at all possible. While these enhancements will probably add three or four hundred dollars to the final price, they are well worth the cost and will almost certainly give the 1520 a longer useful life.

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Dell or compaq or apple?

Dell or compaq or apple?
They are all evil, however I would say Compaq - it's the lesser of the evils.

Dell spent years destroying the hardware industry through backhand deals with Intel to undercut everyone else's prices.

Apple are.... well apple! Lack of compatibility and overpriced. Their biggest selling point is "it looks nice" and "we're cool" - that's irrelevant in my book.

But of course with all things computer related, all these things are very subjective and opinionated and noone will agree on anything - It's like computer programmers: they're all prima-donnas who always want to be right and scorn anyone with differing opinions.
Apple. It looks nice. Oh, and it doesn't get viruses. And the operating system is better, in my opinion. And the tech support speaks English.

Wednesday, February 20, 2008

I have an acer aspire 5040 laptop, and have had the lcd screen replaced after only 6 months owning it. Now again approximately 4 months later it is ..

Q:I have an acer aspire 5040 laptop, and have had the lcd screen replaced after only 6 months owning it. Now again approximately 4 months later it is freezing and the screen goes fuzzy with horizontal lines, why is this happening?

I have the Aspire 5100 and aspire 5000 laptop batteries. The same thing is happening to me. It's not a hardware issue, it's the driver. I had purchased this with Vista and downgraded it to XP. The drivers all seem to be good, but the LCD panel is running on the generic driver with the only frequency choice set to 60KHz. I'm looking all over the place for an XGA 15.4" LCD panel driver for XP and can't find it. Acer online doesn't have anything.
If I put the original OS back on, the problem goes away.
1.Yea that sucks! If it does not work again then you outta try to fix it urself! idk! I think there are websites that tell you how and all you need to do is buy a lcd screen!
2. hmmmmm....u might want to take it back and have it checked! How long have you had the warrenty?
3.Yeah it is going to be sent off in the morning but in order for it obtain lemon status it has to happen 4 times! What a crock, I mean come on! I cannot live without it really due to a tight school and work schedual and the amount of money paid for it, sigh.
Well, it was under acer warranty the first time and as soon as it expired for the repair it happened again and now it is under another warranty service and I have to send it to nexicare to repair. I Know it is messed up but need more than that! lol, not to mention fiance bought it for like 2 grand!
Just geussing but i had the samething happen to my phone. I plugged it up the wroung way and the screen messed up! My phone had horizontal lines too!

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Acer Aspire 5920 User Review

Acer Aspire 5920 User Review

Submitted by Patrick Y.

Overview and Introduction

The Aspire 5920G is a 15-inch multimedia Santa Rosa notebook based on Acer’s new gemstone concept. There are many new and interesting aspects to the Aspire such as 3D surround sound system and touch-sensitive media buttons. Featuring an impressive specification, but weighing almost 7 pounds with battery, this notebook is most suitable as a desktop replacement. The 5920G primarily targets gamers and power users with no desire to break the bank.

System specification (may vary depending region):

  • Windows Vista Home Premium

  • Intel Core 2 Duo mobile processor T7300

  • Mobile Intel PM965 Express Chipset

  • Intel Wireless WiFi Link 4965AGN (dual-band quad-mode 802.11a/b/g/Draft-N)

  • Bluetooth 2.0+EDR

  • 2 GB of DDR2 667 MHz memory, upgradeable to 4GB using two soDIMM modules (dual-channel support)

  • 15.4" WXGA high-brightness (220-nit) Acer CrystalBrite TFT LCD, 1280 x 800 pixel resolution, 8 ms response time

  • NVIDIA GeForce 8600M GT with up to 1GB of TurboCache technology (256 MB of dedicated GDDR2 VRAM, up to 768 MB of shared system memory)

  • Dolby-certified surround sound system with two built-in stereo speakers and one subwoofer supporting low-frequency effects

  • 160 GB hard disk drives

  • 5-in-1 card reader

  • DVD Super Multi DL Optical Drive

  • Integrated Acer Crystal Eye webcam (0.3 megapixel)

  • 364 (W) x 270.2 (D) x 30.8/43.7 (H) mm (14.3 x 10.6 x 1.2/1.7 inches) 3.00 kg (6.61 lbs.)

  • Included Accessories: Mouse, Travel bag, Power cord, Manual, Starter CD

Reasons for Buying:

The main reason for the purchase was that my family really needed another computer. This turns out to be a great opportunity for me to get an upgrade to replace my two-year-old Dell Inspiron 6000. I wanted a reasonably-priced laptop with a fairly powerful dedicated graphic card that can handle Vista, occasional gaming, 3D modeling, and video editing with ease. To be honest, I’ve shopped and waited for months before finally purchasing 5290G. The Dell Inspiron 1520, Asus A8jp, and Asus F3 were some other laptops on the top of my list. Even though the Dell turned out to be the cheapest laptop with an 8600GT, the poor build quality of my Inspiron 6000 and recent shipping delays steered me toward 5920G instead.

Dell Inspiron 6000 next to Acer 5920G

Where and How Purchased:

The 5920G in this review was purchased in Taiwan for about $1,250 + tax (US dollar) at the computer and electronics show at the beginning of August. This is definitely a good deal considering that many comparable models cost $200-$400 more. The Acer support center in Taiwan was also nice enough to switch the operating system to the English version for free at my request.

The 5920 is also available in the US at BestBuy, but the US version lacks Draft N, Bluetooth, and the T7300. Interestingly, the US version does offer an HD-DVD drive while the Taiwanese version does not.

Build & Design:

Acer and BMW take the design to a whole new level with the Aspire “Gemstone” Series. The 5920G is unlike any previous Acer notebook. The laptop looks gorgeous and stylish with a pearl-white interior and shiny, reflective black lid that can be opened with a unique latch that doubles as a webcam. The Aspire’s nicely rounded outline gives it a fairly soothing and unobtrusive look. Part of the interior design includes a couple of LEDs and lines that seem to create an image of flowing water. The downside of the pearl interior, unfortunately, is keeping it clean in the long run. As for the shiny lid, ugly fingerprints easily cover the entire surface. However, the fingerprints can be wiped with most cloth without scratching the finish. Ultimately, whether you like the design or not is just a matter of opinion.

Regardless of the looks, the 5920G is definitely a rock solid laptop. While the entire laptop is constructed from plastic, the chassis appears extremely tough. The only place that flexes slightly is a small area near the power button. Surprisingly, the laptop also does not feel thick at all. This comes as a huge surprise after years with my all-plastic Inspiron, which is the exact opposite. The hinges supporting the screen on the Aspire are also very sturdy and do not stick out. The hinges are strong enough that I have to hold down the laptop while opening the lid. However, the screen does wobble slightly when I poke it. The excellent build quality of the 5920G is a relief for me considering that the laptop weighs about seven pounds. For a 15-inch screen laptop, the Aspire is undoubtedly on the higher end of the weight scale, and traveling with this notebook will be an unpleasant experience. On the other hand, it is still easy enough to move the notebook around the house.


The 5920G is only offered with a glossy CrystalBright screen with WXGA resolution (1280*800). This may be a disappointment for people who want additional screen real estate. On the other hand, personally I find this resolution to be perfect for a 15 inch laptop since anything higher makes everything stressful to see. Lower resolution also means better GPU performance. Of course, glossy screen means annoying reflections. When turned off, the 5920G’s screen is a perfect mirror. Luckily, you won’t notice any reflections using the laptop indoors. As for the build quality, hardly any ripples appear when I press the back of the screen's lid, and the screen does not twist easily.

light leakage at bottom of screen

In general, the screen is really crisp and bright. In fact, the screen is so bright that everything actually looks a little washed out. Not a single dead pixel exists. Unfortunately, the viewing angle, especially from the top, is not very good. From side to side the screen looks passable. There is also quite a bit of light leakage from the bottom of the screen.

Webcam and Built-in Microphone

Above the screen, the webcam seems to stand out. After all, it is also the latch. When the webcam turns on, a tiny green LED next to it will light up. At first, the webcam appears to be a total disappointment considering that it is only 0.3 megapixel. This means that 640*480 is the maximum resolution. While it is unlikely that most people will use this as a dedicated camera, Acer should at least use a 1.3 megapixel camera like its competitors. Aside from the disappointing resolution, the quality of the camera excels. Both the lighting and color appear true. Lastly, the built-in software lacks many advance functions. You can only take pictures and not video.

Two microphones are positioned on the right and left side of the webcam. The quality of the microphone is astounding. When I talked over Skype using just the built-in microphone, the other party reports crystal clear sound. There were also NO ECHOES on the other end, even though I didn’t use headphones.


Acer made the speakers one of the key selling points of the Aspire. The built-in Acer eAudio software allows users to change to different modes such as music, gaming, video etc. and toggle surround effect. There is also a handy volume scroll wheel on the front of the laptop. Together, the two speakers above the keyboard and one subwoofer at the bottom create exceptional sound and are almost as good as external speakers. For this laptop, external speakers or headphones aren’t a necessity.

Processor and Performance:

The 5920G model in this review comes with the Intel T7300 processor (2Ghz) and 160GB 5400rpm hard drive. It does not have Intel Turbo Memory, which yields questionable performance gain anyway. When I first turned on the laptop, it took a while to boot into Windows. When I do, the system automatically starts installing Acer utilities, which I will talk about later in the review. With the default factory settings, the laptop proves to be very snappy and responsive. I did not experience any delays as some other Vista user's mentioned. Almost all programs such as Firefox open instantaneously. Of course, the 5920G runs much faster than my previous Inspiron 6000 with Pentium M 1.73Ghz and Windows XP. After removing some unneeded software from startup, it takes approximately 45-seconds for the laptop to boot completely.

For games, I’ve tried Cube, TrackMania Nations, Silkroad, and America’s Army so far, and they ran really well even when the GPU is underclocked in “balanced” power mode. I did experience a slight performance increase after installing the NVIDIA 168.18 driver from LaptopVideoToGo.

All the benchmark were run under “maximum performance”.


Super Pi comparison results:

Notebook Time
Acer Aspire 5920G (2.0GHz Intel Core 2 Duo T7300) 58s
Dell Inspiron 1420 (2.2GHz Intel Core 2 Duo T7500) 0m 54s
Sony VAIO FZ (2.0GHz Intel Core 2 Duo T7300) 0m 59s
Dell XPS M1330 (2.0GHz Intel Core 2 Duo T7300) 0m 58s
Lenovo ThinkPad X61 (2.0GHz Intel Core 2 Duo T7300) 1m 01s
Lenovo 3000 V200 (2.0GHz Intel Core 2 Duo T7300) 0m 59s
HP dv2500t (1.80GHz Intel 7100) 1m 09s
Lenovo ThinkPad T61 (2.00GHz Core 2 Duo Intel T7300) 0m 59s
Lenovo ThinkPad T60 (2.00GHz Core 2 Duo T7200) 1m 03s
Toshiba Satellite P205-S6287 (1.73 GHz Core 2 Duo Intel T5300) 1m 24s
Toshiba Satellite A205 (1.66GHz Core 2 Duo) 1m 34s
HP Compaq 6515b (1.6GHz AMD Turion 64 X2 TL-52) 2m 05s
HP dv6000t (2.16 GHz Intel T2400) 0m 59s
Dell Inspiron e1705 (2.0GHz Core 2 Duo) 1m 02s

PCMark05 comparison results:

Notebook PCMark05 Score
Acer Aspire 5920G (2.0GHz Intel Core 2 Duo T7300, Nvidia 8600M GT) 4,614 PCMarks
Dell Inspiron 1420 (2.2GHz Intel Core 2 Duo T7500, NVIDIA GeForce Go 8400M GS) 4,925 PCMarks
Sony VAIO FZ (2.0GHz Intel Core 2 Duo T7300, Intel X3100) 3,377 PCMarks
Dell XPS M1330 (2.0GHz Intel Core 2 Duo T7300, NVIDIA GeForce Go 8400M GS) 4,591 PCMarks
Lenovo ThinkPad X61 (2.0GHz Intel Core 2 Duo T7300, Intel X3100) 4,153 PCMarks
Lenovo 3000 V200 (2.0GHz Intel Core 2 Duo T7300, Intel X3100) 3,987 PCMarks
Lenovo T60 Widescreen (2.0GHz Intel T7200, ATI X1400 128MB) 4,189 PCMarks
HP dv6000t (2.16GHz Intel T7400, NVIDA GeForce Go 7400) 4,234 PCMarks
Fujitsu N6410 (1.66GHz Core Duo, ATI X1400) 3,487 PCMarks
Alienware M7700 (AMD Athlon FX-60, Nvidia Go 7800GTX) 5,597 PCMarks
Sony VAIO SZ-110B in Speed Mode (Using Nvidia GeForce Go 7400) 3,637 PCMarks
Asus V6J (1.86GHz Core Duo T2400, Nvidia Go 7400) 3,646 PCMarks

3DMark06 comparison results:

Notebook 3DMark06 Score
Acer Aspire 5920G (2.0GHz Intel Core 2 Duo T7300, Nvidia 8600M GT) 3,249 3DMarks
Dell Inspiron 1420 (2.2GHz Intel Core 2 Duo T7500, NVIDIA GeForce Go 8400M GS 128MB) 1,329 3DMarks
Sony VAIO FZ (2.0GHz Intel Core 2 Duo T7300, Intel X3100) 532 3DMarks
Dell XPS M1330 (2.0GHz Intel Core 2 Duo T7300, NVIDIA GeForce Go 8400M GS 128MB) 1,408 3DMarks
Samsung Q70 (2.0GHz Core 2 Duo T7300 and nVidia 8400M G GPU) 1,069 3DMarks
Asus F3sv-A1 (Core 2 Duo T7300 2.0GHz, Nvidia 8600M GS 256MB) 2,344 3DMarks
Alienware Area 51 m5550 (2.33GHz Core 2 Duo, nVidia GeForce Go 7600 256MB 2,183 3DMarks
Fujitsu Siemens Amilo Xi 1526 (1.66 Core Duo, nVidia 7600Go 256 MB) 2,144 3DMarks
Samsung X60plus (2.0GHz Core 2 Duo T7200, ATI X1700 256MB) 1,831 3DMarks
Asus A6J (1.83GHz Core Duo, ATI X1600 128MB) 1,819 3DMarks
HP dv6000t (2.16 GHz Intel T7400, NVIDA GeForce Go 7400) 827 3DMarks

HDTune hard drive results

Heat and Noise:

Most of the time the fan is barely audible. Under light load the system stays very cool in general. During intensive gaming and benchmarking, the palm rest and especially the upper area next to the power button on the left noticeably heats up due to the hard drive and graphic card. After 30 to 40 minutes in that condition, the laptop becomes much too hot to be used on the lap. On the other hand, the entire right side stays cool throughout intensive use. Fan noise does go up a notch with the rising temperature, but it is still fairly quiet and unobtrusive. The fan of 5920G running at its highest speed produces roughly the same amount of noise as my old Inspiron 6000 under lightest load.

Optical Drive

The tray of the optical drive is so flimsy that I was afraid that I would break it as I carefully snapped in a disk the first time. The tray surely feels out of place with the excellent build-quality of the rest of the laptop. Aside from that, there is little to no vibration when the drive operates but it gets obtrusively loud. I’ve burned a few DVDs so far with no problems.

Keyboard and Touchpad:

Typing on the Aspire keyboard is quiet and comfortable. The keys are just the perfect size for my fingers. Generally, it feels just like most laptop keyboards. The keyboard does express noticeable flexes and occasionally misses a few inputs. However, this might be a software issue since it tends to happen only in certain applications. Acer placed quite a few handy shortcuts among the keys, such as turning off the screen, putting the laptop to sleep, and disabling the touchpad. Overall, the keyboard is just average.

The touchpad is probably the worst thing about this laptop. The spacious touchpad is designed to “blend” with the palm rests, thus typing on the keyboard without making contact with the touchpad is impossible. With default setting, using the laptop proves to be a nightmare. I cannot type a single Word document without experiencing crazy movement throughout. Luckily, turning off the virtual scrolling feature solves the problem. Losing this useful feature can partly be compensated by a tiny scrolling device between the two mouse buttons. Lastly, the buttons of 5920G’s touchpad are extremely loud and stiff. The annoying clicking sound is easily heard several feet away.

The buttons on the two sides of the keyboard can be used to launch applications and to control wireless activities and media playback. It is a relief that they are nowhere as loud as the touchpad buttons. The Bluetooth and Wi-Fi buttons on the left side will light up and flicker in accordance to the wireless status. On the right side, there are five touch-sensitive buttons. The four blue buttons that light up controls media playback. When you brush those buttons, they brighten briefly then dim. The fifth touch sensitive button opens up the Acer CD/DVD making software. Lastly, a shiny blue “e” button on the upper-right of the keyboard launches Acer Empowering utility. The media buttons are certainly useful, but it is easy to brush the touch sensitive buttons accidentally and trigger unwanted actions. But again, Acer provided software to let you adjust the sensitivity.

Input and Output Ports:

The only thing I would like to mention is that the USB port on the right side is located about one millimeter from the optical drive. That makes it impossible to use a USB stick and the optical drive at the same time. Personally, I do not think it is a problem. Since the port is on the right side, it will most likely be used for something like a mouse. Unless you use up all three ports on the left, it is unlikely that you’ll ever REALLY need that one USB port.

Here is the list of input/output ports:


  • VGA port

  • Ethernet port

  • Modem Port

  • 3 USB 2.0 ports

  • HDMI (Yes, HDMI)

  • S video

  • IEEE 1394

  • ExpressCard/54 slot


  • One USB port

  • Kensington lock slot


Dell Inspiron 6000 on top of Acer Aspire 5920G

  • 5 in 1 card reader

  • Line-in jack, microphone in jack, and headphones/speaker/line-out jack.


Dell Inspiron 6000 on top of Acer Aspire 5920


The Intel 4965AGN card in 5920G works very well. The range is noticeably better than the Intel Pro 2200 (b/g) card in my previous notebook. I only have a G-router so that the speed is approximately the same. My 5920G also has built-in Bluetooth, but it is not present on all models. I can transfer files and sync wirelessly with my Dell Axim x51v PDA without any problem. Lastly, the infrared port comes standard in the front of the notebook. The positioning is perfect for controlling the laptop with a remote. I happened to have a Media Center remote, and it can control the laptop perfectly up to 9 feet away.


Every Acer Aspire 5920G comes with an eight-cell 4800mAh battery. In “balanced” power mode, the 5920G lasts about 3:40 minutes while browsing and typing documents. For such a powerful laptop, the battery life is simply amazing. It is safe to say that this laptop can last up to four, even five hours with minimum brightness and lowest processor and GPU speed.

Operating System and Software:

Predictably, the system is equipped with the 32-bit Vista Home Premium. Unlike most laptop manufacturers, the bundled software on the Aspire isn’t just useless bloatware. My previous Dell was stuffed with numerous bloatware and crappy, badly-programmed utilities, so my expectation for the Acer wasn’t very high. To my surprise, not a single trial software package except for Microsoft Office is installed. The system comes with a full-version of Norton Antivirus, Acer Arcade Deluxe, Acer Empowering Tools, Cyberlink PowerProducer, and NTI CD-Maker/Backup. Furthermore, these softwares aren’t just some crappy junk that manufacturers usually throw at you. Even though I kept almost all factory installed software, my laptop still runs snappily and smoothly after a few adjustments. The Acer Empowering utilities, especially, is amazingly useful and user-friendly. The eRecovery tool, for example, allows you to easily create recovery disks yourself and backup the entire system. No complicated steps are involved, and everything is straight forward and easy.

Customer Support:

Acer customer service support at Taiwan is great. Fortunately I’ve never need customer service support so far except for switching the OS to English, which the support staff happily did for free. My system comes with 2 year Taiwanese warranty and 1 year global warranty. I’ve yet to see how the US Acer division performs.


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In conclusion, I definitely recommend Acer Aspire 5920G to gamers and power-users. This is an attractive, solid, and high quality laptop backed up by a reasonable price.


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