Hardware Problem PC restarts randomly

accvipers

Honorable
Apr 27, 2013
7
0
10,510
hey guys.. i got this problem that my pc is restarting randomly... i first tried if all my drivers were updated, tried also the memory diagnostic tools if my memory got defects.. tried also if its overheating using speedfan. all of them seemed ok.. no errors were found.. no overheating and no outdated drivers..lastly i tried to reformat my pc , didnt worked too.. anyone could help me with these? any other causes?.. it likes restarts every 15-30 mins