PC keeps restart it self every now and then

t73

Member
Jan 31, 2006
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I'd cleaned my brother computer w/Ccleaner and EasyCleaner but wasn't able to fully run Kav, Ad-Ware, Spyboot ...
When try to run antivirus bootable it did the same as well as in SafeMode.
I had few time when the Computer tried to restart but got stuck in black screen while you could here the fans working, I had to pull the cable out in order to turn in off.

I'm thinkig maybe it is the VC, but I really need your advice here.
What do you think I should do from here?
Could it be a PSU issue as well, how can I confirm that?


Thanks,
t73 ;)