I am having problems using my CDR and DVD drives. Sometimes they work, sometimes they don't. Even when they indicate that they are working. My DVD often just drops from "My Computer". I have to reboot to get it available. My CDR will show on "My computer" but if I put a CD into the CDR to play a CD (Data or Music) it will tell me to insert a CD. My Device Manager says that both of the devices are working properly. I have reinstalled both and both are running the latest drivers. Would reinstalling XP help?