
'Headphone' and 'Speaker'), using plain amixer to toggle Master can trigger PulseAudio to mute the active output too, but it does not necessarily unmute it when Master is toggled back to be unmuted. Output stuck muted while Master is toggled

If it displays a low percentage value, you can run pamixer -i 10 several times to turn up the volume gradually. If the output says muted, run pamixer -u to unmute. To troubleshoot via CLI only, install pamixer and check the output of the following command: Install pavucontrol and check if there is any output on the pavucontrol panel when playing a. One possible cause of no sound after install is that PulseAudio detects the wrong output device as a default. Note: alsamixer will not tell you which output device is set as the default.
