3 ways to fix PS3 ultra slim not reading disc and software errors - YouTube
disc is inserted and the ps3 won't read it. how do I fix this? : r/PS3
PS3 makes clicking noise and won't read any discs. Could this be fixed by buying a new lens or would I need a new drive altogether? I'd love to hear some suggestions.
What do I do if my PS3 won't read my discs? - Quora
PlayStation 3 Super Slim Troubleshooting - iFixit
SOLVED: Why won't my PS3 read discs? - PlayStation 3 - iFixit