Installing libcanberra-pulse indeed fixes the problem. Thanks! Flagging this as "Invalid" seems dubious. Shouldn't libcanberra-pulse be a dependency for gnome-control-center or the base sound system?
Sound used to work fine. Given the number of sound devices I always used the gnome control center to switch the right device and check it works before starting Zoom, etc. The checking failed after the latest security updates. After a couple of hours I discovered sound was actually working properly and it was just the test in the control center failing. After running `gnome-control-center sound` on the terminal I got the message "Failed to play sound: No such driver" and found this post ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1879989 Title: "Failed to play sound: No such driver" ubuntu 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1879989/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs