How to Bake a Failing Graphics Processor to Possibly Live Another Day - DreamLight.com
iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium
Amazon.com: Original Graphics Card GPU Replacement for Apple iMac 2009 Core 2 Duo 3.06 A1312 MB952LL/A 27 Inch Desktop PC Computer, ATI Mobility HD 4670 GDDR3 256MB 109-B80357-00, MXM Video Board Repair Parts : 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 A1311/ A1312 (2009-2011) Video Card HD 6970M 1GB - Macparts
Amazon.com: Original Graphics Video Card for Apple iMac Core i7 2.8 27-Inch Late 2009 A1412 MC507LL/A MC507 Desktop Computer, AMD ATI Mobility Radeon HD 4850 GDDR3 512MB 109-B91157-00, GPU Upgrade Replacement : Electronics
Someone gave me this unwanted Mac, anyone know if you can upgrade the graphics cards on these ? Keep seeing conflicting information it's a 24" early 2009 imac : r/mac
iMac Repair & Upgrade, Same Day Services
Originele A1311 256Mb 512Mb HD4670 HD5670 HD6750 HD6770M Video Card Voor Apple Imac 21.5 "A1311 Grafische Kaart 2009 2010 2011 Jaar - AliExpress
For 2010 2009 Apple iMac 21" 27" A1311 A1312 Video Graphics Card Original HD4670 HD4670M 256MB 216-0729051 109-B80357-00 - AliExpress
Amazon.com: Original Graphics Video Card for Apple iMac Core i7 2.8 27-Inch Late 2009 A1412 MC507LL/A MC507 Desktop Computer, AMD ATI Mobility Radeon HD 4850 GDDR3 512MB 109-B91157-00, GPU Upgrade Replacement : Electronics
Late 2009 iMac 27 graphics card gone? | MacRumors Forums
ATI Radeon HD Graphics Card - iMac 27" End of 2009 - MacManiack England
2010 iMac GPU Upgrade to NVIDIA GTX 765M - YouTube
For iMac 27" A1312 Mid 2009 2010 2011 upgrade NVIDIA K3100M 4GB GPU Video Card | eBay
Late 2009 iMac 27" Video Card Repair [4850 Bake] - YouTube