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iMac Intel 27" EMC 2374, AMD Radeon HD 4850 Video Card Removal & Repair - iFixit Repair Guide
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iMac Intel 27" (Late 2009 or Mid 2010) Graphics Card Replacement - iFixit Repair Guide
iMac Intel 27" (Late 2009 or Mid 2010) Graphics Card Replacement - iFixit Repair Guide
Amazon.com: 2GB Graphics Card GPU Upgrade Replacement, for Apple iMac 27" 2011 Desktop Computer A1312 Core i7 3.4 MD063LL/A MD063, AMD Radeon HD 6970M GDDR5 2 GBs, MXM VGA Video Board Repair
Amazon.com: Valley Of The Sun 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
2010 iMac GPU Upgrade to NVIDIA GTX 765M - YouTube
SOLVED: What GPU's are compatible with iMac 27" 2011? - iMac Intel 27" EMC 2429 - iFixit
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2011 iMac GPU Upgrade Now with Brightness and Boot menu - Absolutely Worth It! - YouTube
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iMac Intel 27" (Late 2009 or Mid 2010) Graphics Card Replacement - iFixit Repair Guide
Amazon.com: Valley Of The Sun 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
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iMac 2009 to 2011 (A1311/A1312) Upgrade Guide – MacintoshMen
iMac 21.5" 2010 - GPU Replacement - Not booting : r/mac
2011 iMac Graphics Card Upgrade | MacRumors Forums
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