[lubuntu] New installation of Lubuntu Quantal not picking up wi-fi

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http://ubuntuforums.org – Until yesterday, my Acer Aspire One D250-1165 ran Ubuntu 10.04.1 Lucid. For obvious reasons, that needed to change. So I backed it up and clean-installed Lubuntu 12.10 Quantal from a live USB stick. It connected to the internet just fine when I plugged in an ethernet cable, but now I'm at a friend's house and it's not picking up the wi-fi at all. I opened up Network Connections and the only thing it lists is Wired connection 1, last used (inexplicably, since more than 10 hours have passed) 44 minutes ago. (The clock isn't properly updating, either, but I figure I'll deal with the wi-fi connec (Hardware)