I am exeriencing the same issue. I used the key just to the right of the "O" key, and now can't tye that letter. Clearing the hotkey from the shortcuts and rebooting restores oeration of the key.
Aaron -- Setting keyboard shortcurts leads to keys not working elsewhere https://launchpad.net/bugs/40747 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
