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[Bug 1472897] Re: cannot adjust brightness E6530 15.04 fresh install

 

fINTiP, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect -p xorg 1472897

Please ensure you have the package xdiagnose installed, and that you
click the Yes button for attaching additional debugging information.

When reporting bugs in the future please use apport by using 'ubuntu-
bug' and the name of the package affected. You can learn more about this
functionality at https://wiki.ubuntu.com/ReportingBugs.

** Package changed: xserver-xorg-video-nouveau (Ubuntu) => xorg (Ubuntu)

** Changed in: xorg (Ubuntu)
   Importance: Undecided => Low

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

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https://bugs.launchpad.net/bugs/1472897

Title:
  cannot adjust brightness E6530 15.04 fresh install

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  Press Fn + up/down arrow.

  Expected to happen: brightness goes up or down; notification in top
  right of brightness going up or down.

  Actually happened: brightness stays unaffected; notification does
  appear and respond correctly, but lies.

  Cannot adjust brightness using function key combo. Shows the
  notification as if I am adjusting it, but screen stays on max
  brightness. Brightness & Lock app doesn't adjust brightness either.

  When I switch to proprietary drivers, brightness adjustment does work.
  When I turn off the nvidia card and use the intel card, brightness
  adjustment works. But with the intel card only I don't have hdmi port
  support, so no triple monitor support. And with the proprietary
  drivers, I get horrible, horrible bugs, including one that made it
  impossible to get into my system until I modified bios settings
  related to the video card.

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References