[ubuntu] hp pavillion g6-2240nr FN-F12 turns on Wireless

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http://ubuntuforums.org – Title says it all. I just bought a hp pavillion g6-2240nr with the intent of erasing Windows 8 and installing Ubuntu. With help from these forums I managed that. Now, though, my wireless isn't turned on. It's actually a little light under my F12 button. From what I can tell, it's supposed to turn on with FN-F12 (doesn't work) or else turn it on under Hardware Management (which I apparently can't find on 12.10). Can anyone help? Or should I get used to a long ethernet cable? :) (Hardware)