[Bug 543036] Re: Lenovo Y550 - monitor settings and wireless settings buttons not work

[Keng-Yü Lin]

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.

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Lenovo Y550 - monitor settings and wireless settings buttons not work
https://bugs.launchpad.net/bugs/543036
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