Seeing 'timidity' in the data collected by apport I have just uninstalled timidity. This has immediately restored the availability of the sound output. Also after rebooting, sound output is working again (I have since rebooted twice).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880571 Title: PCI/internal sound card not detected on ubuntu focal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1880571/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs