Thanks Raymond, so i followed your instructions: 1 I changed my "/etc/modprobe.d/alsa-base.conf" las line into : options snd-hda-intel model=auto
2 I rebooted and plugged the subwoofer 3 I launched the alsa-info.sh script, and the result is at this adress: http://www.alsa- project.org/db/?f=f44dd0723919e74edaa79d94d5deae69a6178f61 Thanks 4 your time -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1040873 Title: [N56VZ, Realtek ALC663, Black Headphone Out, Right] No sound at all: Subwoofer not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1040873/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
