I have a G4 450 AGP (Sawtooth) with a 1 GHz OWC processor upgrade and a DVR-109. It plays DVD movies using the Apple DVD player that came with 10.4. My guess is your problem is with the ATI Radeon 8500 Graphics card. Try replacing the stock card and see what happens. Good luck Dick > On Jun 7, 2005, at 9:19 AM, Daniel Brieck Jr. wrote: > >> Does anyone else have this problem with DVD movies not playing >> properly with the Apple DVD player? >> >> I have a G4 500 AGP Sawtooth system, a pioneer DVR-109, ATI Radeon >> 8500 and Mac os 10.4.1 with the Apple DVD player update as well. I >> can't play DVD with this set up, they appear garbled and scrambled >> like a bad satellite TV reception. Does any one here have this >> problem, too? >> >> I have check apple discussion board and it is noted there, seems to >> be a issue with the ATI Radeon 8500 Graphics card. >> >> Daniel J. Brieck Jr.