Comment 3 for bug 782516

SOLVED-this solution worked for me:sound stopped working ubuntu 10.04 en1370-I added this:
(options snd-hda-intel model=generic) I had previously added: (options snd-hda-intel model=auto) with no results.
    Ubuntu
    “alsa-driver” package
    Questions
    Question #153499
actionparsnip said on 2011-04-19: #3

Try adding:

"options snd-hda-intel model=auto
or
options snd-hda-intel model=generic

to /etc/modprobe.d/alsa-base.conf

reboot to test in between. Also you may want to run:

alsamixer

and ensure all levels are cranked and unmuted."