Also check to see if your computer needs a BIOS Revision to run XP, if you have a system that was designed to run an older OS. It will run XP but you can run into issues like this one because the BIOS wasn't designed with XP in mind. So check the manufacturer's web site for a newer BIOS version along with the instructions on how to go about flashing the BIOS, Also make sure you have installed all available updates for XP as there are several issues dealt with by XP through updates. Finally if that doesn't do it try looking on the site of the people that made the DVD drive & see if they have specific drivers for that Drive that are meant for XP.