Acer 4520 reformatting and upgrade to windows 7

firdausalleh

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May 6, 2011
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Hello,
my acer 4520 cannot detect its own disk driver, audio driver and also the camera and built-in microphone doesn't work. the screen often blank white....anyone?will it make a difference if i upgrade it to windows 7? this is my email: firdausalleh@gmail.com