Speakers -> Worked via Line OUT for months
Take PC apart and change PSU, assemble PC back.
Speakers - Line OUT detected but can’t test Left/Right audio channels, options missing. No AUDIO from speakers unless I select them as default in Pavucontrol or manually assign outputs via Helvum.
Fedora 43 GNOME

How do I get my GNOME audio settings to work again?
This is so random and funny at the same time… yet frustrating because it makes no god damn sense :D
Try using alsamixer, check for channels that are muted.
Also check if your distro is saving and restoring alsa settings every boot and remove the settings file
already solved, reply in the comments… alsamixer did not work
Save yourself the time and boot into a live distro with gnome, like the latest Ubuntu or something. Sanity test. Make sure it works there before trying to fix your own install.
Live USB - works fine
Fresh install - works fine
Update system after fresh install - breaks again
Well that’s a relief. Dmesg? Journal? Pavucontrol? Might be changing the sound profile or something. Time to have a tinker and inspect. It’s 530am here so I’ll check back in a few hours
pavucontrol works but it’s annoying to use, I just want to be able to quickly select between audio outputs in the GNOME menu as always.
alsamixer does not even see any analog output and
cat /proc/asound/devicescat /proc/asound/cardscant see any analog output either.
I can force it with wireplumber when manually selecting correct sink which in system settings defaults to HDMI but audio goes trough my speakers until I need to change output and want to change back. If I manually select HDMI it just goes into my monitor speakers as it should
edit1
I’ve just installed CachyOS GNOME and the same issue occurs like on Fedora. Seems like this is either GNOME issue or something with the more recent update…. I’m gonna try OMARCHY
edit2
works in Omarchy, I’m gonna try Fedora KDE now
edit3
KDE works but I can’t stand it
edit4
I think I figured it out… is this a bug then?

I will give it a try tomorrow.
I have a stupid question: Are you sure you’re not confusing “line out” and “headphone out”? They’re different, and pretty much every desktop supports both these days. But standard PC speakers usually connect to the “headphone” socket.
My headphones go trough USB external DAC/AMP so there is no other analog device visible
I am seeing the exact same issue on a PC I just put together and loaded Fedora 43 Workstation on. If I hook the 3.5mm jack for the speakers (older Creative Pebbles) to the green port on the back panel it shows up just like OP’s when I try to test; however, if I plug the jack into the headphones port on the case (which is connected to the motherboard audio pins) it detects and works properly. I was also seeing some Dummy Output options with the line out connection in use, and not knowing what it meant, I selected one and this kicked me back to the login screen and gave me an unhelpful kernel alert.
In contrast, the speakers on my other PC, which is also running Fedora 43 Workstation, works fine off of the back panel. Both motherboards are using Realtek audio chips but it may not be the same version since one board is a B650 and one is a B550.
Curious to see what the solution ends up being but I also recently installed pavucontrol on the newer PC so I will try and set the speakers up using the line-out that way. If that doesn’t work I will migrate to bluetooth speakers or just leave things as is.
Check my other reply in this post, I’ve figured it out
sudo dnf downgrade gnome-control-centerSeems like it’s GNOME issue or something driver issue with more recent update. Fresh install works again until I do a system update then it breaks again. I’ve tried CachyOS GNOME and the same issue again
Pavucontrol is great. Sometimes just entering that GUI has fixed the sound connection for me
Hmmm. Random guess: does your machine have another audio output, possibly via HDMI, that you’re not using? This could be ALSA selecting the wrong device as a default, which would then propagate up through the stack.
I do via USB. I tend to switch between speakers and headphones. But other audio outputs work via the audio settings when I select them
I’m currently learning about it, so I can’t offer much expertise, but if all else fails, look into Wireplumber; it sounds like it’s failing to make the proper node connections automatically.


