Solus Linux 4.1 KDE Audio Device Disappears After Rebooting

Case: After logging in, the sound control icon is displayed as muted. Clicking on it to display Audio Volume settings and sliders, appears blank – no settings and sliders. Audio Volume Settings window -> Audio tab has all settings present but grayed out, no audio device detected.

Note(s)

1. Issue encountered in Solus 4.1, 4.2, 4.3 (all KDE).
2. The description of this issue is kinda vague; see if this issue is more relevant to your case.

Solution

1. Reinstall Pulse Audio:
   sudo eopkg it --reinstall pulseaudio
2. Reboot

Source

• https://discuss.getsol.us/d/1954-no-sound-and-i-can-t-go-into-the-settings/4