Can't change brightness at all
73265
Dell Chromebook 11 - unable to set backlight and /sys/class/backlight/ folder is empty
18350
How can I prevent the display on an iOS device from dimming and turning off?
30491
Brightness Controls Not Working on a Dell Inspiron N4010 Laptop
27109
After the upgrade to 17.10 I only get a black screen. How do I fix this?
57698
Brightness fn key shortcut doesn't work on ASUS laptop
125122
Keyboard backlighting not working on a Vaio VPCSB11FX
89558
Why are lamps and mesh lights not illuminating anything?
74151
Changing LED color for notifications
135762
Can I do anything in A Dark Room?
85887
Upgraded to 13.10 now clock settings are all disabled and clock does not display
70994
Brightness control not working in Lenovo G580
147176
How do I get better control over screen brightness
119571
Night/Dark mode for the App
60627
How can I dim my computer screen beyond the minimum?
79245
Cannot change backlight brightness Ubuntu 14.04
36213
Can't apply brightness to terminal's background color
44941
How can I lower the TouchBar brightness level?