How to install Broadcom b43 wireless driver on Debian Ubuntu

10 minutes 10 minuti

1. Remove old kernel source

   sudo apt-get purge bcmwl-kernel-source

2. Download Broadcom b43-fwcutter

   Go to https://mirrors.edge.kernel.org/ubuntu/pool/main/b/b43-fwcutter/ and download the right version for your OS.
   For example http://mirrors.kernel.org/ubuntu/pool/main/b/b43-fwcutter/b43-fwcutter_015-9_amd64.deb

3. Download Broadcom firmware

   Go to http://www.lwfinger.com/b43-firmware/
   For example http://www.lwfinger.com/b43-firmware/broadcom-wl-5.100.138.tar.bz2

4. Install Broadcom fwcutter

   sudo dpkg -i b43-fwcutter_15-9_amd64.deb

5. Extract Broadcom firmware

   tar xfvj broadcom-wl-5.100.138.tar.bz2
   sudo b43-fwcutter -w /lib/firmware broadcom-wl-*/linux/wl_apsta.o

6. Reboot

   Reboot your system.
   “sudo modprobe b43” may not work.