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[Launchpad Bug Tracker <1184775@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1184775

Title:
  Unable to change screen's brightness

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Hi
  I have just installed Ubuntu 12.04 LTS on my Medion Akoya P6613
  It has an Intel i3 390m and a NVIDIA geforce GT 540m
  When I change the brightness with the FN keys the brightness window pops up and also changes but the actual brightness of the display does not change. How can I fix this problem?
  What I have already done is checking for updates and following the instructions in this post: https://answers.launchpad.net/ubuntu/+question/211457
  but it didn't help
  could it be possible that it is a problem with the graphics card and if so, how can i possibly fix it?
  Michael

  after some help by community members i installed bumblebee and also changed the settings, but it did not help.
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  ApportVersion: 2.0.1-0ubuntu17.2
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  michael    1646 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xfbb00000 irq 54'
     Mixer name	: 'Intel IbexPeak HDMI'
     Components	: 'HDA:10ec0269,17c010e2,00100100 HDA:80862804,80860101,00100000'
     Controls      : 33
     Simple ctrls  : 14
  DistroRelease: Ubuntu 12.04
  MachineType: MEDION P6630
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-31-generic root=UUID=7240BFD340BF9C73 loop=/hostname/disks/root.disk ro quiet splash acpi_osi = Linux vt.handoff=7
  ProcVersionSignature: Ubuntu 3.5.0-31.52~precise1-generic 3.5.7.11
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-31-generic N/A
   linux-backports-modules-3.5.0-31-generic  N/A
   linux-firmware                            1.79.4
  Tags:  precise running-unity
  Uname: Linux 3.5.0-31-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 11/26/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0.09
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: P6630
  dmi.board.vendor: MEDION
  dmi.board.version: To be filled by O.E.M.
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: MEDION
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0.09:bd11/26/2010:svnMEDION:pnP6630:pvrTobefilledbyO.E.M.:rvnMEDION:rnP6630:rvrTobefilledbyO.E.M.:cvnMEDION:ct10:cvrToBeFilledByO.E.M.:
  dmi.product.name: P6630
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: MEDION

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