Monday, December 20, 2010

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The Main Causes of Laptop Overheating

A computer generates a great amount of heat—probably more than you might realize. Fortunately desktop computers are usually fitted up with large vents and fans to keep the computers reasonably cool. But for whatever reason—space and weight concerns most likely– the people who design laptops tend to skimp on vents and fans. Some models have a couple fans and vents, some have one each, some have none at all. And so, not surprisingly, you have laptops that overheat.
Assuming you were smart enough to buy a laptop that actually has vents and fans, you are still likely to have an overheating problem now and then. Generally speaking, the three principal causes of laptop overheating are 1) an non-functioning fan, 2) foreign matter clogging the vents and fans, and 3) external or environmental problems. You should be able to ascertain at least two of these problems after a thorough examination of the laptop. Before you do any sort of repair or diagnostic work on a laptop Acer as07b41 battery , you should turn it off and remove all the cables and the battery. If you don’t you can hurt yourself and the machine. If you can’t tell whether the fan is not working or the vents are clogged, look around with a flashlight.
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Fixing the Fan
The fan is used to either suck cool air into the machine or blow hot air out of it. Once you’ve found the fan, gently poke around into the fan vent and see if you can make the fan blades budge. Be careful with what you stick into the vent. You might try a plastic swizzle stick or the end of a cotton swab with the cotton removed. Next, hold the fan blades in place with whatever long object you’ve been poking around with, and shoot some compressed sony Vgp-bps2c battery air into the vent. Make sure the compressed air is made for electronic cleaning and doesn’t contain any liquids. Spray with the can top side up or else you’ll risk having something other than just air coming out. And letting the blades spin can seriously damage the functioning of the fan. If the compressed air doesn’t do the trick, try an electronic vacuum cleaner.
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Cleaning Out the Vents
You clean out the vents the same way you cleaned the fan, only with the addition of a cotton swab. Don’t be rough with it. Make sure when you’re using the  compressed air that you don’t blow the material that’s clogging the vents into another part of the machine, out of view. Some brave souls actually go so far as opening the housing of the laptop to clean and poke around inside. Understand, though, that that will render your warranty void. There are also parts inside the notebook which can react adversely when exposed to static and other intrusions.
After cleaning out the inside of the laptop, hit the keyboard with compressed air—you’d be surprised at the amount of garbage that builds up underneath the keys. Gently clean the screen with a soft cloth—the special sort you’d use to clean eyeglasses would be ideal. Then hook everything back up and power on. If your fans don’t kick in at this point, you probably have a more serious problem, and you’d be better hp pavilion dv5 battery off just taking it in and letting a professional work on it. Also, if you take your laptop in while the machine is still under warranty, you’ll establish an official record with the company that the laptop indeed had problems.
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Ways of Cooling the Laptop
Though one of the advantages of a laptop is its portability, many users lack common sense in regards to where they place the laptop while in use. Setting up on a bed or pillow might be comfortable for you, but it essentially smothers the laptop, preventing the intake of cool air and the release of hot air.
Think of some way to keep the bottom of your laptop elevated so air can circulate underneath it and to the sides. Sometimes the little rubber feet on the bottom of some laptops do the trick. You can use books, rules, bottle caps—whatever will prop the machine up. There are of course custom stands you can use, but some are fair awkward to lug around. Some people will even put ice bags under their laptops hp pavilion dv4 battery , but this would probably make for an uneven surface and also get messy. And how often during the course of a day would you have to stop and refreeze the bags or go buy new ice? Cooling platforms are a popular solution to this problem, but they can create extra, unwanted noise.
Just as you would not leave a dog or child in a hot car, neither should you leave a notebook there. If you’ve been working in the sunshine and your laptop starts overheating, you should move into the shade. Don’t place your laptop next to a vent blowing hot air or a radiator.
Don’t finish up with your laptop, close it, then shove it into a backpack, messenger bag, or carrying case—the confined space will trap heat and damage the laptop Acer batbl50l6 battery . Also consider that if you quickly close up your laptop, that your keyboard will suddenly be face-to-face, as it were, with the heat emanating from the screen. Before you put your laptop into some sort of case, either turn it all the way off or set it to hibernate.
Should your laptop shut down on its own, don’t try to start it back up again and again. The shut-down is a sign of overheating.
Shut down if you spill anything on or near your laptop.
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Never keep your laptop in sleep mode for over an hour.
Re-adjust your power settings so as to generate less heat.
If the laptop starts to smoke or emit strange odors—shut down.
BIOS upgrades tend to cause problems with laptops. If you’ve upgraded to a newer version of BIOS and start having problems, try to uninstall that version and reinstall the version you had originally.
Shut down if the battery is overheating. If you’re recharging your toshiba Pa3534u-1bas battery , unplug it after the process is finished and run your laptop on battery power. Keeping the full battery plugged in can cause overheating.
Consider adding a heat-monitoring program on your laptop. SpeedFan is probably the most popular: http://www.batterylaptoppower.com/
And it goes without saying, don’t buy a laptop with insufficient vents and fans, or that has a reputation for overheating.
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