M marklcfc macrumors regular Original poster Sep 5, 2007 185 164 Jan 14, 2021 #1 Is there any way to adjust the screen brightness when using an external monitor in clamshell mode?
imp3rator macrumors 6502a Dec 25, 2019 534 468 Jan 14, 2021 #2 Monitor have to support this. I know only about LG Ultrafine monitors support this via USB-C -> USB-C connection
Monitor have to support this. I know only about LG Ultrafine monitors support this via USB-C -> USB-C connection