The fan could have experienced a mechanical failure. If it is under warranty, Sony should be contacted immediately about the problem. It can determine if the fan failed, and can replace it without rendering your warranty void. Otherwise, the laptop should be taken in for repairs at a shop that is authorized to work on Sony laptops mobile phone battery.

Another potential problem could be with the system software that controls the fan. If your laptop is brand new, this could easily be the real issue. If overheating began shortly after installing a new operating system, editing the system registry or installing other software, it could be that the fan regulating software was affected. If your computer began overheating out of the blue and no major changes were recently made, this is not likely to be the cause.

Reinstalling the operating system or reformatting the hard disks, while drastic, can typically correct issues of this type.
Evaluating Environmental Heat
If you use a Sony laptop rechargeable battery wholesale in an exceptionally warm environment, you may experience overheating. High environmental heat will eventually take its toll on the exhaust fan’s ability to effectively expel heat. If you’ve been in a warm room every time your laptop has overheated, this is probably contributing to the problem, if not causing it altogether.

Avoid using Sony laptops in direct sunlight on hot days, in hot vehicles and directly next to or on top of heat sources.
Checking for Other Obstructions
Since laptops can go anywhere, they’re often used on a variety of surfaces, laps included. Sometimes these surfaces can actually obstruct the fan vents. A laptop balanced on a lap may overheat if the knee is placed directly under the vents; the same may happen if the laptop is used on a pillow, towel, bed or blanket. Some retailers sell decorative wholesale notebook battery covers that can block the vents and help trap heat in laptops. These should generally be avoided, or should at least be removed before turning on the computer.

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