Try to do further: sudo gedit /etc/modprobe.d/alsa-base.conf And add this string: "options snd-hda-intel model=ideapad" It works perfect on my ThinkPad edge 11.
Try to do further: d/alsa- base.conf
sudo gedit /etc/modprobe.
And add this string: "options snd-hda-intel model=ideapad"
It works perfect on my ThinkPad edge 11.