Hey ! I had the same issue and solved it on my vaio. see bug #216578 and tell me if that helps.
-- Kubuntu Sony Vaio Brightness & 'FN' Keys https://bugs.launchpad.net/bugs/210103 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
