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    Screen brightness adjustment does NOTHING

    Discussion in 'Lenovo' started by 996GT2, Jun 6, 2009.

  1. 996GT2

    996GT2 Notebook Consultant

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    I'm running Windows 7 Build 7100, and have installed all the proper beta drivers for Win 7...system interface driver, all the power management drivers, hotkey, on screen display,etc etc.

    However, when I use the Fn+home or Fn+End key combinations to change brightness, NOTHING happens. The same thing occurs when I use Windows 7's brightness slider (in power plans window) to adjust brightness...the screen brightness does not change one bit from maximum to minimum settings.

    Does anyone know how to fix this? I've tried both the Vista and Win 7 drivers for everything.
     
    996GT2, Jun 6, 2009
    #1
  2. 996GT2

    996GT2 Notebook Consultant

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    Bump...anyone??
     
    996GT2, Jun 6, 2009
    #2
  3. zephir

    zephir Notebook Deity

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    It's a problem with Intel and Nvidia graphic drivers. I don't think you can do anything about it.
     
    zephir, Jun 7, 2009
    #3
  4. pacmandelight

    pacmandelight Notebook Deity

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    Did you install the nvidia graphics drivers?
     
    pacmandelight, Jun 7, 2009
    #4
  5. Renee

    Renee Notebook Virtuoso

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    It sounds to me as if this is a warranty effort as opposed to a job for this forum.
     
    Renee, Jun 7, 2009
    #5
  6. 732

    732 Notebook Enthusiast

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    This is definitely a driver problem. Uninstall your video drivers and re-install newer version.
     
    732, Jun 7, 2009
    #6
  7. louisssss

    louisssss Notebook Consultant

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    when its not working try closing the monitor till u see it turn off, then open it again. then try to adjust the brightness... works w/ my x200
     
    louisssss, Jun 8, 2009
    #7