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Big Sur on iMac 27", Mid 2011, flashed 4GB NVIDIA Quadro K4100M by Nikey22, having issues with screen brightness, any ideas? Brightness control was working with Catalina Patcher, after installing Big Sur
APPLE iMac A1311 A1312 2010 2011 NVIDIA Quadro K1100M K2100M 2GB Video Card | eBay
2011 iMac 27″ K1100M Graphics Card Swap And Install Catalina
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