Install B43-fwcutter wireless driver in Ubuntu 14 / Mint 17 without internet access

You will need to download the files required from a PC / laptop that is connected to the internet, then transfer them via USB or CD etc.

1) Download b43-fwcutter deb package from
Double click the package to install

2) Download the driver from

3) Open a terminal, navigate to the folder where you downloaded the file and issue the following commands

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

If your card is supported by more than one driver then use the modprobe command to test the drivers. First unload all conflicting drivers (this includes removing the driver you’re trying to install):

sudo modprobe -r b43 bcma
sudo modprobe -r brcmsmac bcma
sudo modprobe -r wl

To load a specific driver use one of the following commands:

sudo modprobe b43
sudo modprobe brcmsmac
sudo modprobe wl

Allow several seconds for the network manager to scan for available networks before attempting a connection.

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