Rank: Wiz
Rating: 83%, 426 votes
Clean the DVD or CD. Also try to clean the lens of the unit. You can either use a DVD cleaner or if you are very handy and careful you can open up the unit and get access to the lens. Use a tiny bit of windex or similar cleaner on a q-tip to wipe the lens and the other dry end to wipe off any excess reside. Again you need to be very careful about cleaning your lens this way.
If these tips don't help, your spindle motor on your unit is bad and you might as well just junk it (spindle motors are probably about as much as you paid for the unit).
Mike