so i recently wiped my harddrive clean for a new start, installed windows 7 but now some of the features that use to work don't work anymore. For instances when i push the F1 and F2 buttons my brightness doesn't go up or down i can't lock the touchpad anymore so now the cursour jumps everywhere. I just want to know if there is anything i could do to make go back to the way it was. My laptop is a Presario CQ56 and help would be apreciated thanks in advance.
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