Computer Restart Problem

[sonasen123]

Computer are restarting during running several times. sometimes randomly and sometimes in gap of 1-2 hr.
I changed Processor, Heatshink, BIOS Battery. current temp of processor : 40C
I have already uncheak automatically restart option from advance system settings.
Still i facing the problem.
Please help me how to solve this problem.

 

[abhishekuikey0907]

What is your PC ram

 

[sonasen123]

2GB DDR2 800fsb

 

[abhishekuikey0907]

Dose your pc restart during playing games

 

[sonasen123]

no i do not play game. since last 2 days computer restart after 1/2 hrs gap.

 

[abhishekuikey0907]

no i do not play game. since last 2 days computer restart after 1/2 hrs gap.

Then install a new copy of window sometime it occur due to corrupt reg files