U330+Windo​ws7+disk rate result too low=3.0

after install Windows7, my disk can only get 3.0 point rate result in system, all other device rate result is normal
does anyone has the same?
i didn't install any drivers only energy power driver, Windows7 can regonize almost all the device
in Vista, my U330 disk can get 5.3 rate point, that why i'm confusing
Message Edited by ricky119 on 01-13-2009 07:57 PM
Message Edited by ricky119 on 01-13-2009 09:41 PM

i found solution
http://www.ricky119.com/2009/01/12/ati-switchable-​graphics-cannot-use-in-windows7

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