Post date: Nov 27, 2011 11:56:33 PM
$ sudo apt-get update
$ sudo apt-get install firmware-b43-installer
$ sudo apt-get remove bcmwl-kernel-source
$ sudo reboot
or
sudo b43-fwcutter -w /lib/firmware/`uname -r` ~/Desktop/wl_apsta.o
Wait until extracted, then:
sudo modprobe b43
http://nfolamp.wordpress.com/2011/10/15/ubuntu-11-10-getting-wireless-bcm4311-working/
http://community.linuxmint.com/tutorial/view/692