What Would Cause a Computer to Turn Itself off?

Answer

A computer may be infected with a virus that constantly shuts it down. Machines that overheat may also shut down due to safety mechanisms or damage. Other hardware wear and tear, scheduled maintenance for programs, and previous electrical surges may also cause computers to power down.
Reference:
Q&A Related to "What Would Cause a Computer to Turn Itself off..."
PC shutdowns can be attributed to electrical faults in the motherboard, degradation of thermal paste, or hard drive failure. Shutdowns are a built-in failsafe that prevents further
http://www.ehow.com/facts_7562052_computer-up-turn...
%DETAILS%FOLLOWUPS% could be several things. If it just shuts off with out starving for fuel (acts like you turned it off with the key)could be an electrical problem. If it has points
http://wiki.answers.com/Q/What_can_cause_a_car_to_...
Laptops often turn off on their own when they overheat. Either your fan may be broken or need service/cleaning. Fan pads under the laptop often help.
http://www.kgbanswers.com/what-causes-a-laptop-com...
Either the on/off button is faulty or a heat sink not
http://www.chacha.com/question/what-could-cause-a-...
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A computer may be infected with a virus that constantly shuts it down. Machines that overheat may also shut down due to safety mechanisms or damage. Other hardware ...
The main culprit in a computer which shuts itself off is overheating. You should check the cooling vents to see if there is any blockage in the fans or take it ...
If your computer keeps going off on its own, it may be an indication of operating system failure or a driver problem. However, the most common reason for this ...
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