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laptop keeps turning off

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by canesteel

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I have a 3 year old HP dv5118 and now on checking the battery life its says it needs to be replaced and to ckeck if under warranty unfortunaltely its not and so was planning to buy a new battery. Is 6 cell better or 12 cell better?
The main problem is that for the last 2 months laptop keeps shutting off when its doing something like writing a cd/dvd etc. It only works for basic things like websurfing etc.
If I try to convert a movie into another format is just switches off. I never had this problem before. I tried to remove the battery and work with main supply but still same problem happend
Please give me some valuable information for the same.
Thankyou

3 replies

by rob miners

I would give the inside of the case a blowout with compressed air. When blowing air through the fans make sure that you physically stop them from spinning, as they may generate power and cause damage.

Next, remove the Heatsink, give it and the CPU top a thorough clean with a cotton cloth and reseat the CPU applying new CPU grease. Arctic is a good brand.

If the Fans spin freely when you give them a spin they are probably OK. If there is resistance replace them.

Clean the Cooling Vents

Depending on the model, vents can be found on the side, back, and/or bottom of the notebook PC. These vents allow air to flow through the PC and keep it cool. Buildup inside these vents impedes the cooling process.

Clean I/O Ports

The back of the notebook PC has a series of ports. After cleaning the cooling vents, take the compressed air and blow out any debris that may have accumulated in and around these ports.

Clean the RAM

Clean the golden edge of each memory stick with a soft rubber/eraser, remembering not to touch the golden edge of the memory stick. Check with one stick at a time, remembering to disconnect the power from the PC.

One way to help in this situation to help cool the unit is to use a Notebook Cooling Chill Mat, something like this.

http://www.ao3.com.au/product.asp?manufpartno=AWE11US

If you are looking to use the Notebook for long periods without mains power go for the 12 cell.

by oh smeg

Depends on the actual Current of the Battery.

Normally a 12 Cell would be better but you need to look at the Milliamp Rating of the complete Pack. Go for the one with the biggest number so if one is 2000 Milliamperes and the other is 4000 Milliamperes the one rated to 4,000 would be the better one. This would give you a longer run time on Battery.

Also with every NB you should use a Cool Pad under it this does two things first id sucks air away from under the NB so it drags any Dust and other Airborne crud away from the NB air intake which helps the NB remain cooler and it draws a lot of Air under the NB which also helps to cool the NB considerably. While it will not help improve the Battery Life it will considerably improve the NB's overall life.

OH BTW NB Batteries have an expected life of around 18 Months and they are not covered by the Warranty unless there is a Specific Recall on that Battery Series. With every NB part of the ongoing costs of using it are regular Battery Replacements and this should be factored into the running costs. ;)

Col

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