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[Bug 1462221] Re: Display Brightness Cannot be Changed

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Martin Wimpress <1462221@xxxxxxxxxxxxxxxxxx>
Date: Tue, 21 Jul 2015 16:05:58 -0000
Reply-to: Bug 1462221 <1462221@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** No longer affects: ubuntu-mate

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https://bugs.launchpad.net/bugs/1462221

Title:
  Display Brightness Cannot be Changed

Status in linux package in Ubuntu:
  New

Bug description:
  I am using HP Probook 450 G0...It uses dicrete graphics (Intel GMA +
  AMD Radeon). I installed UbuntuMATE (DEsktop Env version 1.8.1). Under
  power management preferences the screen brightness cannot be changed
  no matter what value you set on the slider.

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