Chris, try reinstalling bcmwl-kernel-source - it was installed already for me too, "sudo apt-get install --reinstall bcmwl-kernel-source" and a reboot seemed to do the trick for me.
-- Network controller Broadcom BCM4312 802.11b/g fails in karmic https://bugs.launchpad.net/bugs/385293 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs