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Trying to get my 03:03.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02) working. I just reformated and installed 12.04 on this old Windows XP machine, and I don't know where to get the firmware for this.

This is what I got when I typed sudo lshw -c network:

Also, when I go to additional drivers in the system settings, no proprietary drivers show up.

Any help I can get on this would be Great, Thanks!

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up vote 4 down vote accepted

You need to install the b43 driver/firmware. You can install it from the terminal with

sudo apt-get install b43-fwcutter firmware-b43-installer

And then reboot. Give it about 30 seconds or so to scan for wireless networks.

Also double-check your hardware shortcut key for wireless (usually Fn+F2 on D-series Latitude) is enabled!

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I am having the same issue. Why is this happening in 12.04 alone? all previous versions of ubuntu worked fine out of the box. It also worked fine when I upgraded from 11.10. But when I re installed, no wifi. apt-get wont work because I am not connected to internet. Is it possible to download a deb file and install? – balki Jun 15 '12 at 21:28
Also be sure to press Fn f2 to enable wireless. I have a D610 and the aforementioned firmware update works great! – Josea Jun 16 '12 at 11:29
Thank you SO much @izx! You are my savior! Works like a charm! – Stanton.Sculpture Jun 17 '12 at 16:28
yeh hard ware switches...are sooo easy to mess up again and again – andybleaden Jun 28 '12 at 11:11

protected by Community Nov 12 '12 at 14:31

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