I had other problems with my 716A drive and Plextor has replaced it with a PX-755A drive. The same problem exists with this drive.
** Summary changed: - Plextor PX-716A DVD-RW does not detect DVDs properly until an audio CD is inserted + Plextor DVD-RW drives do not detect DVDs properly until an audio CD is inserted -- Plextor DVD-RW drives do not detect DVDs properly until an audio CD is inserted https://launchpad.net/bugs/27316 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs