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
Amazon.com: Nvidia Quadro K3000M 2GB GDDR5 MXM 3.0 Mobile GPU Laptop Video Card N14E-Q1-A2 : Electronics
Quadro Legacy Graphics Cards, Workstations, and Laptops | NVIDIA