Prior to Ubuntu 21.04 update, we could easily reduce the brightness of an external monitor using commands like xrandr or using the brightness-controller app. However, the new Ubuntu 21.04 switched to Wayland, resulting in xrandr and brightness-controller app non-functional. I did some research on how to reduce external brightness in Wayland and the many ‘solutions’ and suggestions online seem not to work on my laptop. The brightness of my monitor even at its lowest setting is a bit too bright for my eyes. So I had to find a way. Just Disable Wayland and switch back to Xorg. This lazy …
Continue reading