Adjust External Display Brightness on Mac with MonitorControl
Have you ever wished the keyboard brightness adjustment keys on a Mac could control the brightness of your external displays? Ever wanted to change the brightness on a secondary display, right from your Mac?
For users with multi-monitor setups, controlling brightness on multiple screens can be a chore when you have to manually fiddle with physical buttons on the external displays.
Fortunately with the help of a free third party utility called MonitorControl, you can easily set and adjust the display brightness of your external screens with the same brightness control keys (F1 & F2) on a Mac keyboard or Touch Bar. You can even sync every displays brightness together to easily make changes to all screens brightness at the same time.
This is a fantastic utility for all Mac users who use external third party displays, particularly if you find yourself working at night or in dimmer lighting, and you want to easily adjust the brightness of your external screens.