Comment 54 for bug 114053

alsamixer
man man
alsamixer
sudo /etc/modprobe.d/alsa-base.conf
options snd-hda-intel power_save=10 power_save_controller=N
alsaconf
sudo alsaconf
lspci | grep -i audio
cat /proc/asound/cards
cat /proc/asound/modules
sudo gedit /etc/modprobe.d/alsa-base.conf
exit
nautilus -q
nautilus &
alsamixer
sudo apt-key add - gpg --keyserver subkeys.pgp.net --recv 94C09C7F && gpg --export --armor 94C09C7F
/etc/modprobe.d/alsa-base.conf
sudo /etc/modprobe.d/alsa-base.conf
alsamixer
lspci
'aplay -l