I have the same mobo, same prob. Found a fix: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/704401?comments=all
add: options snd-hda-intel model=6stack-dig to /etc/modprobe.d/alsa-base.conf and reboot. Work for you? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/776788 Title: [H55M-USB3, Realtek ALC889, SPDIF Out, Internal] No sound at all -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
