Do the 'sudo killall pulseaudio', then open the gnome-volume-control and turn all the controls on. Go to the switches panel and check ONLY the 'IEC958 Default PCM' (It really works).
Do the 'sudo killall pulseaudio', then open the gnome-volume- control and turn all the controls on.
Go to the switches panel and check ONLY the 'IEC958 Default PCM' (It really works).