One fallback/test option is to remove all the other drives from the system, and see if the bios/boot falls back to a optical drive boot when no other devices are found. That will tell you if its the CD or BIOS.
One fallback/test option is to remove all the other drives from the system, and see if the bios/boot falls back to a optical drive boot when no other devices are found. That will tell you if its the CD or BIOS.