I tried upgrading to 12.10 to see whether something there would help, it didn't. But this did: http://catlingmindswipe.blogspot.com/2012/07 /broadcom-wireless-fix-for-ubuntu-1210.html
The short version is that I did these three commands and then restarted: sudo apt-get remove bcmwl-kernel-source sudo apt-get purge bcmwl-kernel-source sudo apt-get install linux-firmware-nonfree So, unfortunately, the problem seems to be that the open source driver doesn't work, yet it was still part of the update that replaced the closed source one. Hope this helps, because it seems to be affecting both 12.04 and 12.10 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1113870 Title: Wifi broken after kernel update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1113870/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
