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
My mid-2011 Mac Mini at Work running MacOS Catalina 10.15.1 : r/mac
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How to update from Catalina 10.15.7 to Catalina 11 on a 2011 Macbook : r/MacOS
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