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Dont know which actions function keys on Compaq Presario 900US laptop perform


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Mostly the functions keys are worked by the function key. that means there you see the fucn key in the corner of the keyboard press that key press any function key is worked. Without pressing the fucn key you cant. there you noticed the key two thing are wrote on the keyboard. one is top on the key and other on the down on the key try it and inform me.
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Dont know which actions function keys on Compaq Presario 900US laptop perform


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