Recently, I noticed that, from time to time, efivars values are
automatically restored to default thus making necessary to redo all the
steps in the aforementioned solution. Does anyone know if it is possible
to change this behavior? Thank you.

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You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1203592

Title:
  Keyboard backlight does not work in Samsung Series 9 NP900X4C

Status in gnome-settings-daemon package in Ubuntu:
  Confirmed

Bug description:
  In Ubuntu 13.04, the keyboard backlight does not work in Samsung
  Series 9 NP900X4C.

  Adding the FN key mappings as described in
  https://help.ubuntu.com/community/SamsungSeries9 does show information
  in the notification area when pressing the keyboard backlight's + and
  - buttons, but:

  1) The notification always identifies the backlight as "full max"
  2) It has no effect on the backlight - it's always off

  When I first installed Ubuntu on this machine (12.10), even though the
  fn keys never worked I did have intermitent backlight functionality -
  the light sensor would sometimes work and I'd see light in the
  keyboard.

  I dual boot in Windows 8 and backlighting works there, so this is not
  a hardware issue.

  More discussion can be found here:
  http://askubuntu.com/questions/233312/how-to-make-keyboard-backlight-
  fn-buttons-work-in-samsung-series-9

To manage notifications about this bug go to:
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