Apple Initiates Video Card Replacement Program for Radeon HD 6970M Equipped Mid-2011 27” iMacs
How to Upgrade/Replace GPU Graphics Card on Mid-2011 21.5" iMac - YouTube
mid-2011 iMac 27 graphics issue: Mac Talk Forum: Digital Photography Review
Picked up this iMac (27", mid 2011) i7 @ 3.4GHz , 16 gb ram , 256 SSD in excellent condition for $210. Should I make any upgrades ? GPU, bigger SSD? Thanks : r/LukeMianiYouTube
Upgrading the graphics in our 2011 iMac (first attempt) - YouTube
Upgrading an iMac GPU for METAL Support! Late 2009 – Mid 2011 Models - YouTube
iMac 27" mid-2011 GPU upgrade
Amazon.com: Original Graphics Video Card GPU Upgrade Replacement for Apple iMac 21.5 Inch Late 2011 Core i3 3.1 All-in-One Desktop PC MC978LL/A, AMD ATI Mobility Radeon HD 6750M, MXM VGA Board Repair
2011 iMac Graphics Card Upgrade | How to • Mac Expert Guide
Original 2GB Graphics Video Card Upgrade Replacement for Apple iMac Mid-2011 27 Inch A1312 Core i7 3.4 MD063LL/A MD063 Desktop PC Computer, AMD ATI Radeon HD 6970 Spare Parts Full Tested : Electronics