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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1349002

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1349002

Title:
  Screen brightness cannot be changed on HP EliteBook 8560w

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I cannot change the screen brightness on my HP Elitebook 8560w. If I
  use the keys for changing the screen brightness (fn + f9 or fn + f10),
  the on-screen display appears and the displayed percentage changes as
  intended but the actual screen brightness does not change (i.e. it
  remains at full brightness). Similarly, if I do not use my computer
  for some time, the on-screen display appears and indicates the the
  screen brightness is reduced (lower percentage) but the actual screen
  brightness remains unchanged (at full brightness). I have this
  computer since November 2011 and I had always the latest Kubuntu
  version installed. Changing the screen brightness always worked until
  and including Kubuntu 13.10. However, it stopped working when I
  upgraded to Kubuntu 14.04. I have upgraded my computer's BIOS to the
  latest version (F.42) but this did not help. As I also experience
  another bug (1337579) with Kubuntu 14.04, I have upgraded the kernel
  to the upstream kernel (3.14.4-031404) and a mainline kernel
  (3.16.0-031600rc6) but the bug occurs with all three kernel versions.
  Further information on my computer system is available here:

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1337579

  [Unfortunately, installing the "upstream" kernel and the "mainline"
  kernel did not create additional entries in the boot menu so that I
  cannot choose the kernel when I (re)boot my system. As the command
  'uname -a' reported the version of the upstream kernel and currently
  reports the version of the mainline kernel, I assume that I ran the
  upstream kernel and I am currently running the mainline kernel.
  Unfortunately, I cannot report this bug with the command 'ubuntu-bug
  linux', because I do not know how to boot my system with the original
  kernel.]

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