[ubuntu] rfkill no longer displays wireless

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http://ubuntuforums.org – Ages ago my wireless stopped showing on the Networking applet and no longer worked rfkill list displayed resulsrs for Bluetooth and WiFi. The WiFi was hard blocked, rfkill unblock all solved it. After my laptop shutdown from running our of juice, oops, wireless doesn't even show. Rfkill list returns nothing when the WiFi light is red and only returns results for Bluetooth when wireless is enabled. So, how can I find out what happened to my WiFi? Thanks Ubuntu 10.04 LTS on an HP HDX Premium Series (Hardware)