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Auteur: Adrian Zaugg
Datum:  
Aan: dng
Onderwerp: Re: [DNG] Soundsystem mostly disappears in KDE Plasma on upgrade to Daedalus
Thanks to all that replied. I think I was unclear with my description:

- There is sound from VLC, Audacity, MuseScore and others.
- The problem is that I can't chose an Output in KDE Sound Settings, only
internal speakers work (but not e.g. headphones on the mini jack):
The list of output devices is just empty.
- The KDE volume control is disabled (speaker icon in systray stroked).
- It has nothing to do with HDMI or not.

To clarify I attach a screenshot of the KDE Audio Settings dialog. There
should be a list of output devices, but it stays empty. Under inactive
devices, there is just the "dummy output". To make it more weird,
after some reboots, this dialog is sometimes populated and everything works as
expected, but it happens only every twentieth reboot or so.


Thanks again for your thoughts!

Regards, Adrian.


In der Nachricht vom Thursday, 8 August 2024 12:10:53 CEST schrieb Adrian
Zaugg:
> Hi
>
> After an upgrade to Daedalus, KDE Plasma's list of audio devices is empty
> (settings -> audio -> devices). The output can't be selected. Before the
> upgrade audio was working perfectly (using pulseaudio).
>
> Playing sound from VLC, Audacity and some others does work, but only through
> the internal speakers. No other output can be chosen. The volume can't be
> changed from the system tray's speaker symbol.
>
> To try to fix it I replaced pulseaudio with pipewire. This did not fix it
> permanently, means: Sometimes after a reboot the devices get listed in KDE
> and output choices and volume settings are working, but mostly the list is
> empty. I did not find a way to fix it permanently (unplugging the external
> monitor and all USB for example).
>
> Does anybody know a solution for that?
>
> Thank you very much.
>
> Regards, Adrian.
>
> PS: The Laptop has Intel HD Audio and some nvidia hardware, it's a ThinkPad
> from around 2012 with dual graphics (discrete and integrated). I am not sure
> why the nvidia hardware is relevant for audio, but I can see it in amixer,
> maybe for HDMI output or so. The problem can be found searching the net,
> but there are no general solutions that worked for me.