It appears part of the problem here is timidity (bug 1793640). Please uninstall timidity and timidity-related packages and reboot.
If that doesn't fix the problem then please try live booting Ubuntu 19.04 from USB to see if audio works there: GNOME: http://cdimages.ubuntu.com/daily-live/current/ XFCE: http://cdimages.ubuntu.com/xubuntu/daily-live/current/ ** Summary changed: - [To Be Filled By O.E.M., Realtek ALC662 rev1, Green Line Out, Rear] No sound at all + [ASRock FM2A75M-DGS] No sound at all ** Changed in: alsa-driver (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/1820314 Title: [ASRock FM2A75M-DGS] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1820314/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
