Try running a speaker test and see if the device is still muted:
speaker-test -c2
Failing that, lets check mixer controls for any ‘Mute’ options that may be enabled:
amixer -c0
or if your sound card has a card index of 1
amixer -c1
Try running a speaker test and see if the device is still muted:
speaker-test -c2
Failing that, lets check mixer controls for any ‘Mute’ options that may be enabled:
amixer -c0
or if your sound card has a card index of 1
amixer -c1