When I first installed Ubuntu it worked flawlessly and the sound control buttons on my keyboard worked as expected. But now I just configured volume up, volume down, and mute to other key combos but when I set them back to their default keys they don’t work anymore.

So I was guessing if there was a way to reset the functions each key to stock Ubuntu state?


Open a Terminal (Ctrl+Alt+t) and type:

dconf reset -f /org/gnome/settings-daemon/plugins/media-keys/

It will restore the default settings for all your media keys.

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