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
How to Bake a Failing Graphics Processor to Possibly Live Another Day - DreamLight.com
mid-2011 iMac 27 graphics issue: Mac Talk Forum: Digital Photography Review
Graphics card | iRepairs
Graphics Video Card GPU Replacement for Apple iMac Mid-2010 A1311 Core i3 3.06 MC508LL/A MC508 21.5 Inch Desktop Computer, ATI Radeon HD 4670 GDDR3 256MB, MXM VGA Board Repair Parts : Amazon.co.uk:
Find out which graphics processor is in use – Apple Support (UK)
Upgrade 24” iMac video card - ATI Radeon 256MB to NVIDIA GeForce 512MB - Ask Different
Use an external graphics processor with your Mac – Apple Support (UK)
2GB Graphics Video Card Upgrade for Apple iMac Mid-2011 27 Inch Core i5 MAC814LL/A MC814 A1312 Desktop All-in-One PC, AMD Mobility Radeon HD 6970M Replacement Repair Parts : Amazon.co.uk: Computers & Accessories
Apple Initiates Video Card Replacement Program for Radeon HD 6970M Equipped Mid-2011 27” iMacs
Upgrading the graphics in our 2011 iMac (first attempt)
Genuine Graphics Video Card Replacement for Apple iMac Mid-2010 Core i5 A1312 27-Inch MC511LL/A MC511 Desktop PC, ATI Mobility Radeon HD 5750 GDDR5 1GB MXM VGA Board Repair Parts : Amazon.co.uk: Computers