Chosen Solution

some games load or freeze when playing, others don’t

cletusdorris, could be the game discs being dirty etc, could also be a dirty laser. Worst case scenario would be that your laser is starting to fail. I’d suggest that you:

  1. Use a commercially available lens cleaner and see if that helps
  2. Clean the laser of the drive manually.
  3. Replace the laser assembly. There is also a way of adjusting the lasers but it will requires some knowledge and a multimeter to do so. Start with the easy things.