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 (
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PlayStation 3 BluRay Laser Replacement - iFixit Repair Guide
Replacement Laser Lens For Sony PS3 Slim 160GB CECH-3001A KEM-450DAA KES-450DAA | eBay
PS3 Playstation 3 Laser Repair
Replacement Optical Laser Lens for Sony Playstation PS2 PS3 PS4 Game Console US | eBay
1pc Original Replacement for Playstation 3 PS3 Slim Laser Lens KES450DAA KES 450DAA KEM-450DAA KES-450DAA OCGAME - AliExpress
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PS3 SONY PLAYSTATION 3 LASER LENS KES-400A KEM-400A FOR CECH-E01 CECHE01 CECHE02 | eBay
PS3 Slim Laser Replacement (CECH-2001A) - YouTube
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For Sony PS3 Super Slim Single Eye CECH-4201B CECH-4301A Laser Lens Deck KEM-451 KEM-451A