My Dell Latitude D830 (BCM4311 wireless chip) is unable to connect to any wireless connections or even detect them. I was able to find a driver for it but I don't know what to do with it. The driver is a .tar.gz file.
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Please edit your question to add details of your wireless device from the terminal command: lspci -nn | grep 0280 – chili555 Nov 21 '13 at 21:44
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Please get a temporary wired ethernet connection, open a terminal and do:
sudo apt-get install linux-firmware-nonfree
Detach the ethernet and do:
sudo modprobe -r b43 && sudo modprobe b43
Your wireless should now be working.

chili555
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Even with the wired connection, it doesn't seem like it is able to connect. – user218120 Nov 22 '13 at 05:21