Adding those lines in alsa-base.conf worked for my Acer 7730G:
alias snd-card-0 snd-hda-intel options snd-hda-intel model=auto
Thanks gbhuvanesh
Adding those lines in alsa-base.conf worked for my Acer 7730G:
alias snd-card-0 snd-hda-intel
options snd-hda-intel model=auto
Thanks gbhuvanesh