After attempting to regen XP Home and then loading in SP2 from a CD, the system no longer can find a bootable CD or hard drive. I checked the BIOS and both the CD and hard drive are shown as not installed or none. I have no idea why loading SP2 from a MS CD would have caused this. The system was working OK prior to the SP2 install. Can someone suggest a solution. I'm assuming that I will need to bring the BIOS back to factory specs with the hope that that will then recognize the CD and hard drive.