I can not increase or decrease the brightness of my screen on UBUNTU 15.10
79245
Cannot change backlight brightness Ubuntu 14.04
102591
How do I set a monitor resolution that is not available in the Display Settings dialog?
38297
How to make my maximum screen resolution to be detected by Ubuntu?
107832
Cycles: Emission Shader does not bring enough light
134934
Volumetric Lighting is not working
116873
How do I adjust the hue (intensity) of GNOME Night Light?
62847
Ubuntu screen flickering
68571
Display brightness control not working in 17.10
97710
How to prevent my screen from either dimming or the screen-lock starting when watching YouTube?
61565
Ubuntu 20.04 brightness adjust not working
107194
Screen brightness - Night Mode
71022
Desktop monitor brightness adjusting
77739
How can I reduce screen brightness below the minimum without an app?
87061
“Screen overlay detected” dialog? Turned off everything, doesn't work
115656
Change screen resolution to exceed the maximum on Windows 7
54115
How to find and change the screen DPI?
57270
How to set the background color of the Linux console screen?