I have install Garuda linux this morning but i can't reduce or increse the brightness (i3)

[anon72786180]

Problems with drivers and brightness

If it's not already installed, try brightnessctl. It is one of the easiest utilities available for this feature. sudo pacman -S brightnessctl This and plenty more solutions are documented here: Backlight - ArchWiki Check out ARandR for a simple GUI display settings app. i3 is sort of philosophically the opposite of what you are describing; GUI options are intentionally avoided in favor of allowing everything to be controlled in config files or command-line applications. Still, with some dig…