Ubuntu Sound Support
If sound is not available after installing Ubuntu, perform the following to fix.
List all soundcards on the system:
Load the sound mixer and make sure the right channels are not muted. Un-mute all channels and work backwards by muting after sound is working.
Save the settings in alsamixer by executing the following where 0 is the first sound card (default):
$sudo alsactl store 0
The current user must be in the audio group. To find out try:
$grep 'audio' /etc/group
Add the appropriate username (find out using $whoami) like so: