Solved! I loosely followed a posting at:
http://ptspts.blogspot.com/2009/08/asrock-ion-330-nettop-with- jaunty.html and created an /etc/asound.conf file with contents: defaults.pcm.!card NVidia defaults.ctl.!card NVidia defaults.pcm.!device 3 defaults.ctl.!device 3 Now HDMI sound just works. -- [9.10 regression] HDA NVIDIA HDMI no sound after alsa 1.0.20 update https://bugs.launchpad.net/bugs/385076 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs