![iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium](https://miro.medium.com/v2/resize:fit:1400/1*pKDnJ-1fA7zycu3YOIWzrg.jpeg)
iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium
![iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium](https://miro.medium.com/v2/resize:fit:1400/1*SrrheGYtuFqZZPGQIZ9PFA.jpeg)
iMac 2009 / 2010 / 2011 GPU upgrade — Fixing LED/LCD PWM brightness with an ESP32 | by Fixing Things | Medium
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Original 1GB Graphics Card for Apple iMac 2010 27" Core i7 2.93 Desktop Computer MC784LL/A MC784 A1312, ATI Radeon HD 5750 GDDR5 1 GB Video Cards GPU Upgrade Replacement Parts: Graphics Cards:
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