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 (
HACKED!: PS3 Blu-Ray Laser Diode || Simplest Constant Current Source - YouTube
KES-460A Sony Playstation 3 PS3 Laser Lens Optical Pickup | eBay
Slim Ps3 Playstation 3 Kes450daa Laser Lens | Ps3 Laser Lens Replacement - New - Aliexpress
Amazon.com: Deal4GO New KEM-451AAA Laser Lens Blu-Ray Drive with Deck Mechanism Replacement for Sony Playstation 3 PS3 Super Slim CECH-42xx CECH-43xx : Video Games
PS3 Playstation 3 Slim White Laser Gear & Screw Repair Part KES450A KEM450AAA
PS3 Laser lukupää KEM-450AAA | Konsolinet
How to Replace a Playstation 3 Laser - YouTube
PlayStation 3 BluRay Laser Replacement - iFixit Repair Guide