Thanks for the bug report. Please check: 1. If 'timidity' is installed then uninstall it (bug 1793640)
2. If 'pipewire' is installed then see bug 1897965. 3. If you are not sure about 1 and 2 then run: dpkg -l > packages.txt and attach the resulting text file here. 4. If you have a 'pulseaudio' process running while the problem is happening. ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1912933 Title: [Asus P8B75-M/VIA VT1708S] Pulseaudio dummy output after upgrade to 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1912933/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs