While I booted up I continually hit Fn+Up/Down until the point when they stopped working. Noting the messages on screen at the time I then booted into recovery mode and manually started S10acpid and bingo the keys stopped working.
-- Inspiron 1420 LCD brightness keys broken https://bugs.launchpad.net/bugs/140782 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs