How to fix the Broadcom 4311 (BCM4311) 802.11 a/b/g WiFi/Wireless chipset driver and get a perfectly working Wireless Network Connection on Ubuntu 12.04 / 12.10

The Broadcom Corporation BCM4311 chipset (usually found on many HP dv9000 series laptops) has some issue working on Ubuntu 12.04/12.10.

You can use the following procedure to get it working fine:

Before you start on this, first check whether you have the correct Wireless Chipset we are referring to:
In Terminal, issue the following command:
lspci | grep BCM
and see whether the following line shows up:
03:00.0 Network controller: Broadcom Corporation BCM4311 802.11a/b/g (rev 01)
If yes, you can proceed safely to ensure a working wireless chipset.

Step 1: Remove the current BCM driver (standard SAT) in the kernel:
Terminal command:
sudo apt-get remove bcmwl-kernel-source

Step 2: Install alternative drivers:
Terminal command:
sudo apt-get install firmware-b43-installer b43-fwcutter

Step 3: Restart Ubuntu.

Voila! You should now have a working Wireless Chipset all ready to connect to your favourite Wifi. :-)

Let me know via the Comments box below if you still face any difficulties. I'll try my best to help you out.

Cheers,
Anto

P.S.: Here is an alternate method I found here: http://ubuntuforums.org/showthread.php?t=2136081&p=12605716#post12605716
Terminal Commands:
sudo apt-get remove --purge bcmwl-kernel-source
sudo apt-get install linux-firmware-nonfree
sudo modprobe b43

Comments

Just perfect! It was unique solution that functioned here with an old Dell Inspiron 1501 using Ubuntu 14.04 beta2.

Many many hanks!!!

Just perfect! indeed !! the problem solved with a Dell XPS M1530 running Linux Mint

This fixed my Dell XPS m1530 with Broadcom wifi running Ubuntu 14.04. My wireless did not show up on first install but after this method, everything works great now.

I try the solution above and I can have a wifi connexion now and let me say thank you very much for help.

Patmos

Works for 16.04 64 bit THANKS!

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