UEFI, an acronym for Unified Extensible Firmware Interface, is a new type of BIOS that includes several enhancements. The problem is that newer machines don’t have a BIOS they have something called UEFI. Right now, your computer is configured to either ignore the CD/DVD, or check the hard disk first, at boot time. Your computer’s BIOS needs to be instructed to check for a bootable CD or DVD before it tries to load whatever is on the hard drive. This is a common problem for which the answer has become complex.
