The early versions of iDVD required an internal DVD drive, they were Pioneer drives I think the model number was 105 but you could google to double check. Since iLife 06 or 05 it has been possible to use other makes including external drives, I have a LaCie FireWire drive that works fine. Gerhard On 2009-06-30, at 5:23 PM, Wayne Dobson <pwdobson@xxxxxxxxxx> wrote: > Why won't the combo drive work? --- MUGLO information at <http://www.freewebs.com/muglo> Manage your account options at <//www.freelists.org/cgi-bin/lsg2.cgi>