Hi ;-)
What does alsa mixer show you when type in a terminal < code> $ alsamixer you will have a window like here : https://trisquel.info/fr/forum/pas-de-son#comment-111841 if your sound is muted read the instructions https://wiki.ubuntu.com/Audio/Alsamixer to see what soundcard you have $ sudo aplay -l if your sound card is reconized $ lspci -v | grep -A7 -i "audio" List your sound modules $ find /lib/modules/`uname -r` | grep snd https://h-node.org/ suported cards http://www.alsa-project.org/main/index.php/Matrix:Main
