GitHub - Ausdauersportler/iMac-2011-Mojave: Patches needed to get back sleep and H.264 support on iMac Mid 2011 systems running macOS Mojave
SOLVED: Backlight dim in a part of the screen - iMac Intel 27" EMC 2429 - iFixit
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