[all variants] No wireless after kubuntu-desktop 12.10 install

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http://ubuntuforums.org – After installing kubuntu-desktop 12.10 64-bit, there is no wireless (not even wlan0 device) in Ubuntu or Kubuntu. No wired lan either. Dual booting with Win 8, but wireless works fine there--just not linux. lenovo G580 with Broadcom BCM4313. Any ideas? (Hardware)