Hi there, so I know where the bug comes from: hotkey-setup. Shutting it down completely with sysv-rc-conf and rebooting gave a working key. So I've just uninstalled the hotkey-setup packages and all works fine now.
** Package changed: acpi-support (Ubuntu) => hotkey-setup (Ubuntu) -- Toogle display key not working anymore https://bugs.launchpad.net/bugs/384511 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