Two tests you can proceed: 1. kill acpid and run `acpi_listen`. see if any ACPI event when you press the keys. 2. `sudo /lib/udev/keymap -i input/eventX`. X is number, check `ls /dev/input/` for all the events. see if any scancode shows up when pressing the keys.
-- Lenovo Y550 - monitor settings and wireless settings buttons not work https://bugs.launchpad.net/bugs/543036 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