No brightness control in Ubuntu 12.04, Lenovo V570
75669
Screen brightness isn't taking effect on a Lenovo Z570
69809
Dim screen past the minimum on Ubuntu
51839
LED accent light that slowly dims when removed from power source
63086
Turn off keyboard back-light Sony (VAIO SVF1521DCXW)
125122
Keyboard backlighting not working on a Vaio VPCSB11FX
102229
How to get dark menu bar and dock in Mojave light mode?
2610
Cannot change brightness (Ubuntu 16.04 LTS and onward)
13568
How to disable mouse power status in indicator-power?
77739
How can I reduce screen brightness below the minimum without an app?
101292
13.10 Can't Adjust Dell Laptop Backlight
71578
Brightness changes while "Adaptive Brightness" is disabled in Windows 8.1/10 with Intel HD Graphics
36213
Can't apply brightness to terminal's background color
47841
Keyboard LED panel indicator for Unity Desktop
94277
3D graphics render as though no illumination
34764
Reset OpenGL lights?
31797
How to change LCD brightness from command line (or via script)?
147969
Screen brightness fading options