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Lenovo Z500 LA-9063P noBacklight - No PWM voltage

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    Lenovo Z500 LA-9063P noBacklight - No PWM voltage

    Hello.
    Have this Lenovo Z500 LA-9063P that have no Backlight. All voltages is ok but no PWM voltage. R431 have no voltage on botha sides. looks like PWM come right from EC. This means that EC is burned?
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    #2
    Re: Lenovo Z500 LA-9063P noBacklight - No PWM voltage

    what a damn solution. enter bios and push button for add baklight and all work

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      #3
      Re: Lenovo Z500 LA-9063P noBacklight - No PWM voltage

      system offcourse need that mighty registry change to have working backlight buttons on Z500

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