To unmute it I did the following
Code: Select all
amixer set -c 0 Master 25 unmute
amixer set -c 0 PCM 25 unmute
Then I
1. right-clicked on the volume on the task bar
2. selected full window
3. then I turned up the PCM volume.
Code: Select all
amixer set -c 0 Master 25 unmute
amixer set -c 0 PCM 25 unmute