dummy output and no sound in sound setting ubuntu 2018.04 in lenovo think pad
55431
"Dummy Output" No sound in Ubuntu 16.04
158359
Why can't I set a default output audio device in Ubuntu 19.10?
94801
No sound on Ubuntu 18.04 (Spotify and YouTube don't work either)
109662
Lenovo ThinkCentre: beeps when trying to restart
105036
Why don't I hear any sound after calling the Beep function in Windows 7?
153958
No sound after upgrade to 18.10, only a dummy device is shown
133700
Low output volume
110320
14.04 ThinkPad Edge volume buttons stopped working
61994
How do I change which audio jacks are used for input and output?
131945
Sound only works from left speaker?
134893
Is there another way to restart the sound system if pulseaudio/ALSA don't work?
18818
Ubuntu 16.04 Asus Mediatek MT7630E doesn't work
52287
Mac Mini: No sound except for startup chime
147190
No sound on Ubuntu 16.04 with realtek ALC892
64321
How to create a virtual audio device and stream audio input with it
38799
Ubuntu 18.04: Audio doesn't work unless I switch between outputs
68359
18.04, 16.04 Headphones detected, but not switched on automatically after startup