Hi there,


I am having problem with the Pi 4B 8G, I post my questions in the Pi forum but get no reply in couple months that's disappointing, so I try my luck here.


My Pi worked fine and sound no problem when I first got it, then I played around with different OS and updating stuffs, one day the Pi suddenly gives no sound, to be precise it gives very low volume on the on board audio jack, if I boost the volume to 150% on the sound panel then it gives some low volume distorted output. I then try the HDMI audio via VGA adapter and it worked and gives normal volume, it seems my Pi has h/w problem with the on board audio but I can't be sure.


Although I can get sound from HDMI there is still random problem that it muted, I've to play around with the settings, sometimes it works with the 'Stereo' audio sometimes with the 'Multi Channel', and today it decided to work with the 'Mono' the thing got the mind of it's own ! so that I have to add a HDMI to VGA adapter to get the audio from there, plus the 2nd HDMI to monitor to get the best display, I believe something messed up in the update, I tried many available OS for it as well as the stock updated RaspianOS they all messed up, any comment ?

Does it work if you install the latest Raspberry Pi OS?

The reason I ask is because they have moved over to using pulseaudio.

I mainly use HDMI audio, but found that some of my external USB speakers wouldn't work, but self powered speakers would, & of course, headphones, for which it is designed.

Thanks for the reply, of course I tried everything and update when ever available, but that doesn't change thing, that's why I said something messed up in the update, I reinstall Raspbian and now using Ubuntu Mate, also tried Twister OS the same problem. I found the HDMI audio is usable if it stay put at the same setting, now I've to guess what it decided to use, mono, stereo or multi channel !