i have a client and for some reason his machien reboots randomly but its does not reboot its self in safe mode could it still be the power suply.I have tried everthing there is nothign running in the back round,the only service is running is exployer.I thought it was video drivers so i upgraded them didnt help, I even disconnected the ups to see if it was the ups,but like i said it only reboots its self in normal mode( meanin safe mode does not reboot) can some please throw me some ideas?