[kubuntu] Wireless Randomly Stops working

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http://ubuntuforums.org – I cannot figure out why the wireless just randomly stops working. I have no clue where to even begin troubleshooting. I've been using Kubuntu for the last month and have finally gotten things up and running, so of course out of the blue this random problem popped up...completely at random and now is the bane of my existence. I can see all of my network connections, when I click on them I get no response. I've tried "sudo /etc/init.d/networking restart" and I get " * Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces * Reconfigu (Hardware)