Ctrl+alt+del or application launcher shutdown shortcuts don't do anything

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First post here, moved from Arch to OpenSUSE Krypton and loving it so far. Running Plasma 6.2 and SDDM on Tumbleweed.

Recently (last month) noticed that doing ctrl+alt+del doesn’t do anything anymore (i.e. open the dialogue with all the shutdown options). This lead me to check other options to do this, and I realised that all the options on the bottom right corner of the Application Launcher do nothing as well.
This means I can’t logout/shutdown/restart, and have to use systemctl commands every time I want to do something like this.

Tried updating stuff, tried to change SDDM configuration and couldn’t get it to work.

Any pointers on where to look? SDDK? qdbus? Other stuff I’m not aware of?

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Welcome to Tumbleweed!

Any reason why you installed OpenSUSE Krypton instead of Tumbleweed normally?

On Ctrl+Alt+Del, isn’t that Windows? For me on KDE Tumbleweed it is also not doing anything but that is what I would expect.

My bottom right For KDE:

Screenshot_20240810_174738

Yes, this is not where you can shutdown/log out.

I shutdown via the start menu:

Screenshot_20240810_174950

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But you said ctrl alt del is indeed doing something, is’t it?

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This is a quite common key combination for most Linux distributions to show Logout/shutdown/hibernate/restart/… screen (at least on Plasma).

You can. There is an applet for it:
Bildschirmfoto_20240810_180653

@orangutan215 check systemsettings if the standard shortcut is enabled:

Bildschirmfoto_20240810_180149
Bildschirmfoto_20240810_1801491643×833 129 KB

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@orangutan215 You describe that none of the icons in the system tray work anymore. You can add a new system tray (applet) and test with it. If it works, remove the broken system tray. This may happen and you wouldn’t be the first user who encounters such stuff.

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@hui - I added the applet (both as a widget and both from a new system tray), pressing the buttons doesn’t do anything, that’s why I assumed it’s something else, probably to the service that handles these button presses. Also pressing the “show logout screen” doesn’t do anything.

In the meantime I continued digging into this and found this post which describes a similar issue, removing drkonqi6 (I don’t have drkonqi5 installed) didn’t resolve this.

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Created another user and tested it. Everything worked, so it was probably a setting that I set and messed everything up.
Ended up deleting all my KDE settings and got normal behaviour restored.

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