Challenges Of Affordable Reflow – Whizoo Electronics
Amazon.com: Valley Of The Sun 2GB Graphics Video Card Upgrade for Apple iMac Mid-2011 27 Inch Core i5 MC814LL/A MC814 A1312 Desktop All-in-One PC, AMD Mobility Radeon HD 6970M Replacement Repair Parts :
iMac GPU cooling mods – Pizza Undervolt
Apple iMac Graphics Card Repair, Replace Chipset (not BGA Reballing or Reflow) | eBay