In this video we discuss how to repair a 2012 A1398 Macbook Pro 15" with a GPU Vcore failure. The board # of the board we repair in this video is 820-3332. You can send your Macbook pro or logic board in for repair to us at this link: http://www.powerbookmedic.com/xcart1/pages.php?pageid=67 You can get parts for your Macbook Pro at: http://www.powerbookmedic.com/MacBook--Macbook-Pro-Parts-and-Repair-p-1-c-446.html Or visit our website at: http://www.powerbookmedic.com/ Below is a list of most of the items we use for repair in our videos with links to those products on Amazon. Amscope Microscope https://amzn.to/2KkJF9s Amscope Microscope HD Camera https://amzn.to/2IaAJ4W Quick 861DW Hot Air Station https://amzn.to/2U8hEBR AMTECH Flux NC-559-V2-TF https://amzn.to/2Vvmdr7 Kester 331 Leaded Solder https://amzn.to/2VAdqoa Kester 2331-ZX Liquid Flux https://amzn.to/2FZEaYt Hakko FM-951 Soldering Station https://amzn.to/2Km5pSE Hakko Soldering Tip T15-BCM2 https://amzn.to/2GbKRYA Hakko Soldering Tip T15-CF4 https://amzn.to/2D3JSba Vetus TS-15 Tweezers https://amzn.to/2Z9odYC Fluke 17B Digital Multimeter https://amzn.to/2U7yBMu 3M Antistatic Cleaner https://amzn.to/2I97jEc DC Power Supply https://amzn.to/2U65lWz Hakko Smoke Absorber https://amzn.to/2D6JNU9 Goot Wick Solder Braid 3.5mm https://amzn.to/2UQdZgx