I found a solution by MerolWarrior in this page http://www.ubuntu- es.org/node/133676... and woks perfectly
Editing the alsa configuration sudo nano /etc/modprobe.d/alsa-base.conf and then writing in the last line options snd-hda-intel model=eapd probe_mask=1 position_fix=1 Press (ctrl+O) for save and close (ctrl+X) Thanks Teej and Fabio Marconi -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/657504 Title: Sound on the headphones doesn't work -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
