How to Replace the laser in your PS3 Blu-ray Disc drive
Although your Blu-ray Disc player inside your PlayStation 3 may be working just fine, there are cases where they have been known to fail, specifically the laser. This is a very rare case, but if it happened to you, if your Blu-ray player isn't reading your movies anymore, this guide aims to help you fix it. Watch the video to learn how to disassemble the PS3 to retrieve the Blu-ray player.
Then see the steps to disassembling the actual Blu-ray drive to find the laser. This is a little more tricky, so see the final steps to replacing the laser at the Blu-ray Forum.