When I boot up my computer it goes straight to a black screen that says "M7NCD mainboard" and it also says Press <Delete> to enter setup (Which doesn't work.) The computer is locked up there, but when I press F9 it sayed Loading Boot Menu- and stops there. This started when I either A) took off the motherboard fan, or B) when I removed one of the hard drives to put in another one (It was a friends' old one, so I don't know a lot about it- but they are from the same company.) I have checked all my harddrive cables countless times thinking maybe I just wasn't pushing it in enough, but still comes up to the screen. My friend suggested that the computer can't distinguish the master from the slave drive- but I dunno. Any help is appreciated!