Ubuntu – No sound after Xubuntu-desktop installation

pulseaudiosoundxubuntu

I had, initially, a Ubuntu installation running completely fine. Compiz bugged, then I switched to LXQT.

LXQt bugged between sessions, then I switched to KDE. KDE bugged on some applications, then I switched to XFCE (at the moment).

Sound worked fine between all those transitions up until now. When I finally installed and rebooted my PC, sound was gone.

I'm running Ubuntu 14.04 x64 on the XFCE Enviroment. Switching to another session/enviroment doesn't work.

What I've done already:

  • Reinstall alsa and pulseaudio (purging)
  • Add a string line at the end of alsa.conf
  • Check if my audio drivers are being detected
  • Try unmuting sound values on the xfce4-mixer
  • Purging pulseaudio and trying to work with only alsa
  • General information I found on the similar topics didn't work either
  • Tweaking values on alsamixer

Any help would be appreciated. As I said, problem started when I installed Xubuntu.

I was told to remove xfce4-mixer but I had to uninstall the xfce4 package along it, should I proceed?

EDIT: Some SSes and pastebin/ryUuDpEr, pastebin/e6KLYf5D

Some screenshots:
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Best Answer

I resolve with pavucontrol. sudo apt-get update sudo apt-get install pavucontrol

Select the device and remove mute sound.

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