http://zibletop.free.fr/pub/Lenovo-Linux_Ubuntu_Gutsy_On_Lenovo_3000_Y310_fr.html
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http://forum.ubuntu-fr.org/viewtopic.php?pid=1290938

sudo apt-get install alsa-base alsa-tools-gui libasound2-dev alsa-oss alsa-firmware-loaders alsa-source alsa-utils ncurses-dev

ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.15.tar.bz2

Editer le fichier "alsa-base"
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sudo gedit /etc/modprobe.d/alsa-base

puis ajouter ces lignes :

<code>###
options snd-hda-intel model=toshiba position_fix=0 enable=yes
alias snd-card-0 snd-hda-intel
alias sound-slot-0 snd-hda-intel
alias sound-slot-0 snd-card-0
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss
#####</code>