I would think it could also be a power or ac adapter problem. If it does strange things while plugged in, I would be more inclined to look at that. However, if it's under Applecare, it's Apple's job to find the problem. Your job is to continue making payments. :) Paul On 6/6/03 7:46 AM, "Joe Sporleder" <joe at beloit-kansas.com> wrote: > Dear Fellow iBook Owners, > > A while back I reported new DVD's having problems playing on my new > combo drive 900mhz iBook. About 1/2 to 3/4 way through a normal movie > the DVD playback would start stuttering and then stop playing all > together. One thing I like to do with a CD burner is when I get new > software, I like to make a backup of the original CD, put it way in a > safe place, and work off the backup copy, so if the backup gets > scratched or damaged, no big deal, I just make another backup off the > original. I decided to test the burner in this combo drive, so I took > my retail box of Jaguar and decided to make backups of its CDs. I did > this by making a disk image with Apple's Disk Copy, then using Disk > Copy to burn the backup CD. About 1/2 way through the process, the burn > failed and a strange error was reported communicating with the combo > drive, it even referenced the fact it was a SONY combo drive. I had a > hunch from my observations that the failure occurred when my iBook is > plugged into AC power. So, I disconnected the power adapter so I'd run > off the battery, was able to play the DVD to the end that was giving me > trouble, and the CD that I was burning, worked perfectly while I was > running off of battery power. My conclusion, my particular combo drive > is a bit sensitive when running off of A/C power. I'm talking to my > local Apple dealer to see what would be involved in getting this combo > drive swapped out under warranty. > > Joe