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[ahmet yıldırım <y.ahmet@xxxxxxxxx>]

I am using default kernel, how can I attach apport-collect 1349002?? It
does not accept because I am not the submitter of bug.

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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.

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