>Booting works through bios. After that, the OS drivers have to take >over. It sounds like the kernel you booted didn't recognize the dvd >drive. That used to be common but I haven't seen it in years. Is there >anything unusual about the drive or controller. I replaced the drive and now it works fine. Before it was a Pioneer DVD-RW made in 2009 Replaced it with an old SONY DVD-R from 2005 Ho, hum. Thank You. -Jason