WINDOWS XP with service pack 2 . i get the harddive running , but no boot, or anything like that .I can hear it start up and the fans run , i switched monitord and tried two diff video cards.The one video card that was in it is in a black port , its an ati, the one i tried after taking that one out was 32 mb in a white port stil no boot? any ideas? wife is a red head and ready to kill me if i cant get her puter back up .. helppppp!!!!!