computer shutdown problem

[cybital]

hey all, i have a BIG problem !!! while palying games my computer shutdown ..the ati temperature is about 50C.. it should not be a problem !! have any one an idea where is the problem ??

 

[Outlander_04]

More information is needed before anyone could make any informed suggestion on how to fix your problem

Try describing exactly what happens and how , and what your hardware is

 

[cybital]

More information is needed before anyone could make any informed suggestion on how to fix your problem

Try describing exactly what happens and how , and what your hardware is

I have a intel I 7-3.07GHz ,6 Gb of RAM (ddr3) ,ati HD 6950 .

the computer just shutdown while playing ! I do not have any warning for overheating or something .
I tryed the heavyload program to check if it finds any mistake. but the program don`t find any error.
so can you tell me something more from this informations ??