Solved Computer shuts off after usage of few hours

November 20, 2013 at 08:55:30
Specs: Windows 7
My computer shuts off automatically if i use it for more than nearly 10 hours.It is frequent if i use it with high memory applications such as games.Then if i switch on again, it doesn't start.It won't pass the bios test and hard drive LED doesn't lit.But i notice that it is very weakly lighting.Only i hear the hard drive revolving sound and it becomes much louder.After only 24 hours or so, i only able to turn it on.

sys specs;

CPU : Intel CPU Core i3 530 2.93GHz
M/Board : Intel m/board DH55HC
GRAPHICS :(internal)
Card name: Intel(R) Graphics Media Accelerator HD
DAC type: Internal
Display Memory: 762 MB
Dedicated Memory: 64 MB
Shared Memory: 698 MB
Current Mode: 1024 x 768 (32 bit) (85Hz)

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November 20, 2013 at 13:43:16
✔ Best Answer
It could be overheating. Buy a can of that compressed air that's purpose made for blasting dust & debris from inside computers (Amazon sell it much cheaper than shop prices).

Unplug the computer.
Open the side panel which reveals the populated side of the motherboard.
Give the inside a good blast around the components, fans, and ventilation grilles.
Re-attach the side panel, plug it in and see how it runs.

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