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I just installed Ubuntu 20.04, and was trying to reassign some of the keybindings. On my keyboard (Das Keyboard 4, mac) there is a "F13" button, which is seen as Tools on Ubuntu. On 18.04 I just simply disabled it, but on 20.04 this button still opens the settings menu. I wonder if there is a way to "force-forget" this keybinding?

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 20.04.2 LTS
Release:    20.04
Codename:   focal

Tools|Settings

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It looks like there is a bug in Ubuntu 20.04, where it would unset the org.gnome.settings-daemon.plugins.media-keys control-center, but not the static version of it:

$ gsettings list-recursively | grep -i control-center
org.gnome.settings-daemon.plugins.media-keys control-center ['']
org.gnome.settings-daemon.plugins.media-keys control-center-static ['XF86Tools']

I am not sure if this is because it's a XF86* key, or because it fails to change both dconf settings. Either way, the solution is (supposed to be) to manually reset it:

$ gsettings set org.gnome.settings-daemon.plugins.media-keys control-center-static "['']"

However, in my case this solution didn't work, and I had to do it through the dconf-editor, which worked:

$ sudo apt install dconf-editor
$ dconf-editor

After that change the appropriate settings in the GUI:

enter image description here

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  • In Fedora 39/Gnome 45, dconf-editor doesn't show me the control-center-static key at all. But I ran sudo dconf update after the gsettings ... command and the keybinding is finally gone. Commented Mar 6 at 7:14

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