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    No Brightness Slider

    Discussion in 'Windows OS and Software' started by Baconchicken42, Sep 21, 2017.

  1. Baconchicken42

    Baconchicken42 Newbie

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    I have a toughbook cf-51 and i recently upgraded to windows 7. Previously i had ubutnu and was able to change the brightness no problem. Now the brightness slider has gone. I've updated all my drivers, and double checked it with multiple softwares. I have no clue what the problem is.