1.5.8 with iMac Mid 2011 27" loses the GPU Heatsink sensor · Issue #406 · crystalidea/macs-fan-control · GitHub
iMac Intel 27" EMC 2374, AMD Radeon HD 4850 Video Card Removal & Repair - iFixit Repair Guide
Upgrading an iMac GPU for METAL Support! Late 2009 – Mid 2011 Models - YouTube
What are the symptoms of a potential grap… - Apple Community
Amazon.com: 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
Need to repair this iMac 27" 2011, Please any suggestions? GPU Temperature is not even 50 C : r/mac
Intel iMac 27" AMD Radeon 6970M 1GB Video Card, Mid 2011 DIY Parts replacement Video Cards
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
For iMac 21.5" A1311 Mid/Late 2011 6770 AMD upgrade Nvidia K610m 1GB Video Card | eBay
Big Sur on iMac 27", Mid 2011, flashed 4GB NVIDIA Quadro K4100M by Nikey22, having issues with screen brightness, any ideas? Brightness control was working with Catalina Patcher, after installing Big Sur
2011 iMac 27″ K1100M Graphics Card Swap And Install Catalina – TuXxX Blog
Amazon.com: 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
Cracking Open the 27" Apple iMac (2011) | TechRepublic
Amazon.com: New 2 GB GDDR5 Graphics Video Card Replacement for Apple iMac A1312 Mid-2011 Core i7 3.4 MD063LL/A 27-Inch Desktop PC Computer AMD Radeon HD 6970M 2GB MXM VGA Board Upgrade Repair
iMac 27" mid-2011 GPU upgrade
iMac Intel 27" EMC 2374, AMD Radeon HD 4850 Video Card Removal & Repair - iFixit Repair Guide
NEW Apple iMac 27" A1312 mid 2011 AMD HD 6970M 2GB DDR5 GPU Video Card HD6970 | eBay
Hotechon Modded Big 3 Pipe Gpu Heatsink For Imac 27" Late 2009 To Mid 2011 Graphics Upgrade - Laptop Lcd Screen - AliExpress