Wireless Drivers on Lubuntu

To get the wireless working on Ubuntu or Lubuntu on a reformatted/repurposed Dell Precision M6400 laptop with a Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01) network controller:

sudo apt-get install firmware-b43-installer
sudo apt-get install linux-firmware-nonfree
sudo modprobe b43

Sources

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