I just contacted my niece, and she said that she tried booting off the CD in both drives and it doesn't work for either one. Unless both drives are shot, that's not the problem, and the disk itself was bought new a couple of months ago.

I guess the expansion card theory is worth a shot, but this was never an issue before, and the only thing to remove would be the NIC. The sound is on-board.

cardriver (or anyone): I have a sneaky suspicion this will come down to the HD. Can you give me some more details as to how I can clean it up? Thanks.