I have an Asus x79 pro with the latest bios installed. Rebuilding my system but I can't get it to boot to a uefi USB thumb drive to install win 8. It gives me the error "the current bios settings do not fully support the boot device". So I adjusted the cam and secure boot settings and no luck. So I took out all of the drives, all USB devices, and all I have connected is the keyboard, still same error. What the heck is going on?