haver you tried checking the audio sink? I have that issue back then when I install DragonOS on my machine.
From Rex’s AIO board package: HackerGadgets AIO Board Package
If you’re using Trixie you’ll need to add an audio sink. On the left side scroll down to
Module Manager. At the bottom ofModule Managertypeaudioand selectlinux_pulseaudio_sinkthen click the+symbol. Then add the audio sink in theSinksmenu on the left side back up towards the top.