Same problem on a HP Presario C300...Disabled STA driver and made sure b43 installed. After two reboots I could see wireless networks.
root@coenraad-Presario-C300-RL177UA-ABA:~# lspci | grep BCM4311 06:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01) root@coenraad-Presario-C300-RL177UA-ABA:~# uname -r 2.6.38-8-generic root@coenraad-Presario-C300-RL177UA-ABA:~# aptitude show b43-fwcutter | grep Version Version: 1:013-3 root@coenraad-Presario-C300-RL177UA-ABA:~# aptitude show firmware-b43-installer | grep Version Version: 4.150.10.5-5 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/732677 Title: bcmwl 5.100.82.38+bdcom-0ubuntu2 not work on BCM4311 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs