On Sat, 16 Jun 2007 at 10:39:22 -1000, Bruce Ryan Nakamura wrote: >G4 Mirrored Drive Doors Powermac [pre 2003]... >if I put [restore] CD number 1 into the DVD drive, >my MDD will not "see" the CD in the drive. Two reason drives don't recognize disks are that (1) the disk material is incompatible with the target drive and (2) the machines doing the writing is out of wack. Are you quite sure the "original" disk is original?