Is there a technitian in all apple stores? A CD is stuck in my macpro book
Yes there are "technicians" in all Apple Stores. They are called "genius."
First try the solutions mentioned in the The Stuck CD/DVD Thread and in the following articles - Apple Portables: Troubleshooting the slot load optical disc drive Cures for an uncooperative CD/DVD drive
Cures for an uncooperative CD/DVD drive
Retrieving data ...