Do you have any alsa/pulseaudio config? This can be quickly verified by running "vanilla" Ubuntu.
16.04: http://cdimage.ubuntu.com/xenial/daily-live/current/ 17.04: http://cdimage.ubuntu.com/daily-live/current/ If both of them work, then it's probably related to your config setting. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1657994 Title: Regression: HDMI audio produces no sound (Skylake NUC) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1657994/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs