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    FN + Brightness does not work properly

    Discussion in 'VAIO / Sony' started by rfalcioni, May 14, 2010.

  1. rfalcioni

    rfalcioni Newbie

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    Hi. I have a Sony Vaio VGN-SZ340P.

    I am having problems to reduce the brightness of my screen (i cant use it full brightness)

    What happens is that if i press FN + F3 or F4 (sound) it works perfectly, but when I try FN+F5 or F6 I can listen to the sound that i pressed that, I can see the little black window with the bars but it does not reduce.

    Anyone has any idea how to fix it?

    again, it is a
    VAIO VGN SZ340P.
    Windows XP profissional
    SP3

    ps. I just realized that if i change from speed to stamina on my keyboard, the FN+brightness works properly
     
    rfalcioni, May 14, 2010
    #1
  2. mfpreach

    mfpreach Notebook Evangelist

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    Turn off auto dimming in Vaio control center.
    I'm sorry i just noticed this isn't a Z, my bad.
     
    mfpreach, May 15, 2010
    #2
  3. rfalcioni

    rfalcioni Newbie

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    Thats ok, thanks anyway...

    any one else?
     
    rfalcioni, May 16, 2010
    #3
  4. coolguy

    coolguy Notebook Prophet

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    You need to install XP compatible Sony shared library, Notebook utilities, and the GPU driver for the fn brightness control to work.
     
    coolguy, May 16, 2010
    #4