How to Realign Ps3 Blu Ray Drive?

PS3 Loader Alignment

If you messed with the arms at all this little catch right here for the front door will probably be in the up position just swing just swing the disc take up arms out.

How do I Fix my PS3 not Reading Blu-ray Discs?

Insert a disk into the PlayStation 3 Blu-ray Drive.
Clean the Disk - Using a cleaning solution and a microfiber cloth, clean the disc.
Eject the disk.
Re-insert the disk into the PlayStation 3.
Clean the Lens.
Eject the disk.
Re-insert the disk into the PlayStation 3.

Why does my PS3 Disc Stops Spinning?

This can be as simple as dirt on the DVD lens or a failure of the laser itself. If you can gain access to the drive, try cleaning the lens (carefully) using a cotton swab and alcohol. This may resolve the problem.