If this doesn't help, maybe reprogramming the BIOS through BIOS update will do the trick.
@dbarker its kinda bit old PC with a P4VP-MX Asus motherborad....
Check here for the update procedure - Download the latest BIOS file (I would suggest not the beta) and BIOS updater from here
Xlhuh UUW38 Just a word of caution, be very careful. If you don't have the manual cut and paste this into your browser. If your computer has a floppy drive, follow the instructions for using a floppy to flash your BIOS.
But it is important for the relevant details of the MB.