Late 2009 iMac 27" Video Card Repair — 4850 — 2nd Bake - YouTube
2010 iMac GPU Upgrade to NVIDIA GTX 765M - YouTube
iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium
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
ATI Radeon HD Graphics Card - iMac 27" End of 2009 - MacManiack England
Graphics card Mac computers
Late 2009 iMac 27" Video Card Repair [4850 Bake] - YouTube
Successfully baked iMac 27” late 2009 graphics card, ask me anything! (Yes I feel empowered lol) : r/mac
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Apple 27" iMac 2009 4GB Graphics Card - Upgrades Radeon HD 4850 p/n = 661-5315 | eBay
iMac A1311/ A1312 (2009-2011) Video Card HD 6970M 1GB - Macparts
iMac Intel 27" EMC 2429 Radeon HD 6770M Graphics Card
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Late 2009 iMac 27 graphics card gone? | MacRumors Forums
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iMac Late 2009 Graphic Card issues - Apple Community
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