Adjusting the disc mechanism
1)After the cover is off the disk tray, you will need to plug the unit back in, (The unit needs to be hooked up to a TV as well to test it while you have it open.
2)You should have a DVD movie, a game disk with a silver or gold back and one with a purple back in order to fine-tune the system to play all three).
3)It will be necessary to have the unit powered up to perform the repair.
4)Press the eject button so that the tray slides forward exposing the undercarriage.
5)At the back of the unit, you should see a small white, geared wheel about the size of a quarter. This little wheel can cause many of your problems.
Partner Link
