the brightness controls buttons are not working on my HP Dm3t notebook with windows xp, any suggetio
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by Karim
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Published on 2010-03-24T01:12:18Z
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2010/03/24
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windows-xp
|hp
i have an HP dm3t notebook which normally comes with windows 7.
after some time i figured out how to install Windows XP on it.
but now i am facing a problem that the brightess controls dont work so i am unable to change the brightess.
the strange thing is that all the other buttons (sound volume, mute, sleep , etc... ) works but not the 2 brightess controls.
i already downloaded the "HP Quick Launch Buttons"
so i am asking about suggesitions how can i enable these two buttons in windows XP or even if i can change the brightess using some kind of software.
thanks
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