Similar bug reports describing loss of low-frequency sounds on ALC3220: http://forums.whirlpool.net.au/archive/2172061 https://bugzilla.redhat.com/show_bug.cgi?id=1133321 Launchpad bug 1404731
These reports/discussion do not identify any definitive solution (there is a theme of toggling the speaker mute/unmute setting, which I tried to no avail). Please let me know if any further information would be helpful. ** Bug watch added: Red Hat Bugzilla #1133321 https://bugzilla.redhat.com/show_bug.cgi?id=1133321 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1425221 Title: [OptiPlex 9020, Realtek ALC280, Green Line Out, Rear] tinny sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1425221/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
