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I opened xdiganose and it told me to go to http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware in order to download and install the wireless driver. I followed the instructions for Ubuntu and it aborted the installation saying something about an unsupported device (I should've saved the output, I'm using a late 2011 13" Macbook Pro.) Now when I try sudo apt-get install firmware-b43-installer I get this:

Reading package lists... Done
Building dependency tree       
Reading state information... Done
firmware-b43-installer is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 338 not upgraded.

What do I do?

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1 Answer

You can install the firmware manually:

wget http://www.lwfinger.com/b43-firmware/broadcom-wl-5.100.138.tar.bz2
tar xf broadcom-wl-5.100.138.tar.bz2
sudo apt-get install b43-fwcutter
sudo b43-fwcutter -w "/lib/firmware" broadcom-wl-5.100.138/linux/wl_apsta.o

Note that you should have kernel 3.2 or newer for the above to work. See http://linuxwireless.org/en/users/Drivers/b43/ for more details.

In this case you don't need firmware-b43-installer and can safely remove it.

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