My speakers have stopped working - no sound is coming out.
The headphone port is also not working.
When I plug in headphones now, no "jack plugged in" alert is popping up anymore.
I can adjust and mute the sound via buttons and sound settings, but it doesn't affect the playback.
A few weeks ago, this happened a few times, and I was able to fix the sound by muting/unmuting the sound a few times and increasing/decreasing the volume, but now it will not work.
Steps I have taken:
Installed the latest ALSA drivers according to https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS
sudo modprobe snd_hda_intel
Purged and reinstalled alsa-base and pulseaudio