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Home Tutorials

Brightness Keys Not Working Debian: Xfce Function F5 & F6 Fix

by Sick Codes
July 14, 2016 - Updated on June 24, 2020
in Tutorials
0

All the other Fn + F1 thru F12 keys were working except for Fn + F5 & Fn + F6.

Open keyboard settings and find Application Shortcuts.

Add a new shortcut with the following command:

Reduce brightness by 10%:

xbacklight -10

I used the keyboard shortcode Alt + (-), meaning the minus key on my numpad.

Increase brightness by 10%:

xbacklight +10

I used the keyboard shortcode Alt + (+), meaning the plus key on my numpad.

My laptop keyboard has a number pad so this is pretty comfortable, but if you don’t have a numpad, you’ll need to choose a different unused combination.

WARNING: Don’t try and set the keyboard as Alt F4 and Alt F5 because are already bound to “close the window”…

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