What worked for me was changing profile to Analog Surround 4.0 Output (or any other surround option) in sound preferences hardware tab.
-- Karmic - Gnome volume keyboard shortcuts do not affect gnome-volume-control-applet https://bugs.launchpad.net/bugs/403609 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-media in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs