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[Bug 762670] Re: Laptop brightness on Dell XPS not controllable

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: Timo <timovwb@xxxxxxxxx>
Date: Fri, 09 Sep 2011 08:31:24 -0000
Reply-to: Bug 762670 <762670@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

The solution from Pierre Chifflier appears to work on Ubuntu 11.04 with
the proprietary nvidia drivers too.

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https://bugs.launchpad.net/bugs/762670

Title:
  Laptop brightness on Dell XPS not controllable

Status in “gnome-power-manager” package in Ubuntu:
  Confirmed

Bug description:
   ERROR: Method "GetBrightness" with signature "" on interface
  "org.freedesktop.UPower.KbdBacklight" doesn't exist

  The brightness of my laptop's screen is not changed at all when using the Fn-Keys.
  Ubuntu displays the notification area with the brightness setting displayed, it even shows that the brightness value is changed - but the actual brightness of the screen remains the same at all times!

  Laptop: Dell XPS 17, Full-HD 3D display, Nvidea graphics.

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