Missing sound devices in Ubuntu how to enable sound?

Hi all.
Lost sound device, in this case if you click on the sound icon in the top right corner, there will be a checkbox next to "mute", which is impossible to remove. In the sound settings there is no device, but if you end your session and log in as another user - the sound is there, no problem.
This problem appeared after installing QEMU-KVM, after installing a new user of Libvirt, Qemu (it installed the first time, until they figured out what it is).
June 3rd 19 at 18:57
1 answer
June 3rd 19 at 18:59
Perhaps KVM nuclear unloads modules audio devices.
pulseaudio --kill
pulseaudio --start --log-target=syslog

and see what will give.
Thanks, but I already tore down the system, put 18.04. Now dancing with pulseaudio on the agenda. - grayce.Connelly commented on June 3rd 19 at 19:02

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