Computer reboots after exiting games

[vinsma]

For some reason, after I play graphic intensive games such as Unreal 2 and Rainbow Six 3 (both set on 1024 by 768) my computer restarts itself after I exit it. It also sometimes happens before I can get get into the game. It doesn't happen when I play Counter Strike set on the highest settings. Has anyone else experienced this and was able to fix it?

 

[MasterFlash]

I think there is a Windows optional Update that corrects this problem. Go check out the updates.

 

[vinsma]

i have all the updates for windows. Im thinking it might be my power supply (its an oem 300w) but i'm not sure. could it be anything else?

 

[MasterFlash]

I doubt its the power supply. Is your Bios at the latest rev? Most likely though, it is your video card. I'd dowload the latest drivers, uninstall the existing drivers, turn the computer off, physically remove and reinstall the vid card, turn back on, install latest drivers, and then reboot. Dunno if that doesn't work, and you've got the latest Bios and latest game patches.