Ann, I didn't have any problems with the dvd on my iBook. I do have a combo drive, but it doesn't burn DVDs. I'd say see if you can find another computer (not iMac) with a DVD player in it, and see if it works there. Either the disk is bad *shrug* or the iMacs need newer DVD firmware updates.

"You need me. You wouldn't be much of a hero without a villain. And you do love being the hero, don't you. The cheering children, the swooning women, you love it so much, it's made you my most reliable accomplice." -- Lex Luthor to Superman, Question Authority, Justice League Unlimited