No sound after first installation

systemctl list-unit-files 'pipe*' --user
UNIT FILE                        STATE    PRESET 
pipewire-pulse.service           disabled enabled
pipewire-session-manager.service alias    -      
pipewire.service                 disabled enabled
pipewire-pulse.socket            enabled  enabled
pipewire.socket                  enabled  enabled

5 unit files listed.

systemctl list-unit-files 'wire*' --user
UNIT FILE            STATE    PRESET 
wireplumber.service  enabled  enabled
wireplumber@.service disabled enabled

2 unit files listed.

Since there is such a mess with packages, I decided to reinstall EndeavourOS.

Now sound is working “out of the box”, no matter which kernel.

Thank you all for your help!

Sounds like an excellent adventure!

Glad to hear you finally got the audio working!