[Quall999]

I'd say if you turned the potentiometer more than a quarter, you almost gaurantee a busted dvd. It is very sensitive. It's way safer if you just change media. You should only turn it by 1/16 each time you test. Also just to note, that if the media can be read with some games, and not the other, adjustments won't make too much of an impact on it because the dvd-rom has a crappy laser. Turning only make a better crappy laser.

Btw, if it flashes red/green, it means you turned it so far that it won't read anything. Could even perminately mess up the laser. There arent any protections like that ib the xbox.