Replaced the laser with a new one from a reputable seller/company on eBay, the Fat PS3 could only read DVD's but not Blu-ray's and after replacing the laser does the same thing (
Making this PS3 laser work | Laser Pointers
Blu-ray Reader Dissection by Leslie Wright and Sam Goldwasser - Diode Page
KES-410ACA Laser Diode Repair Part for PS3 (3 Pin)--PS3 Repair Parts | Westingames.com
488nm, 50mW High Stability Nichia NDS4116 Scientific Lasers
KES-410ACA Laser Diode Repair Part for PS3 (4 Pin)--PS3 Repair Parts | Westingames.com