How to Fix Broadcom BCM4311 Wireless Driver on Ubuntu and Linux Mint

In this article I will show you how to make your wireless connection work on Broadcam BCM4311 network interface card, on Ubuntu, Debian and Linux Mint Systems.

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To fix your wireless problem, this is what you have to do:

Remove the default driver:

$ sudo apt-get remove --purge bcmwl-kernel-source

Install a the Linux Firmware nonfree drivers:

$ sudo apt-get install linux-firmware-nonfree

Load the b43 module:

$ sudo modprobe b43

To make it work automatically, do (thank you Ja7i3r for this hint) :

$ sudo su
# echo "b43" >> /etc/modules

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