iMac Intel 20" EMC 2133 and 2210 Video Card Replacement - iFixit Repair Guide
iMac Intel 24" EMC 2267 Graphics Card Replacement - iFixit Repair Guide
iMac 27" mid-2011 GPU upgrade
Flashing a GTX 765M for Mac using nvflash - YouTube
2011 iMac Graphics Card Upgrade | MacRumors Forums
Upgrade 24” iMac video card - ATI Radeon 256MB to NVIDIA GeForce 512MB - Ask Different
hardware - Is it possible to replace the GPU in this 2006 iMac? - Ask Different
A1200 iMac 2006 24″ Graphics Card Repair (Solder Reflow) – Billington Repairs
How to Upgrade/Replace GPU Graphics Card on Mid-2011 21.5" iMac - YouTube
Apple iMac Repairs | 27" iMac 2011 graphics card replacement - IT-Tech Online
2011 iMac Graphics Card Upgrade | MacRumors Forums
2011 iMac Graphics Card Upgrade | MacRumors Forums
How to upgrade a Mac: Swap in new RAM, graphics card, hard drive and more | Macworld
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 :
SOLVED: What GPU's are compatible with iMac 27" 2011? - iMac Intel 27" EMC 2429 - iFixit
2 GB Graphics Video Card GPU Upgrade Replacement for Apple iMac Mid-2011 A1312 27 Inch Core i7 3.4 i5 3.1 Desktop Computer, New AMD Radeon HD 6970M HD6970M 2GB MXM Board Repair Parts
Amazon.com: 2GB Graphics Card GPU Upgrade Replacement for iMac 27 Inch Mid-2011 A1312 Desktop Computer Core i5 3.1 MC814LL/A MC814, AMD Radeon HD 6970M GDDR5 2 GB MXM Video Board Repair Parts :
2011 iMac 27″ GPU failure Fix/Upgrade – JCYCLE
2GB Graphics Video Card HD6970M Replacement, for iMac Mid-2011 27 Inch A1312 Desktop PC Computer Core i5 MAC814LL/A MC814, AMD Mobility Radeon HD 6970M GPU Upgrade MXM Board Repair Parts
2010 iMac 27" Graphics Card Replacement | MicBergsma - YouTube
Upgrading an iMac GPU for METAL Support! Late 2009 – Mid 2011 Models - YouTube
