I just recently installed windows xp pro corp on my pc. now whenever i turn on my pc, my mouse and keyboard power on like they are supposed to, however, when it gets to the windows login screen, they shutoff!!!!.... Like 1 out of 8 reboots they will actually work. Please help, its super annoying, but not near as annoying as my wife yelling at me cus she thinks i broke the computer please help me!!!!!!