Grateful thanks to Valentin Crone for the workaround. I ran alsamixer in the terminal, selected Analog Output by right-arrowing and then Multichannel by up-arrowing, and now my sound works. I doubt whether this would ever occur to the non-technical user! It deserves to be more widely known.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1551385 Title: No sound on ASUS Xonar DGX Soundcard (16.04) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1551385/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs