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I am fairly new to ubuntu so a step by step answer would be appreciated. My wireless card is Broadcom BCM4331. Thank You.

I also have no way to connect to the Internet on it except my original osx partion. So a solution that works offline is required. My Mac mini is a 6,1 model.

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1 Answer

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Please run the terminal command:

lspci -nn

Is your wireless device ID 14e4:4331? If so, please download this file and transfer it to your Ubuntu machine on a USB key or similar. Drop it on your desktop. Right-click it and select 'Extract Here.' Now back to the terminal and do:

sudo mkdir /lib/firmware/b43

The folder may already exist; that's fine, just proceed.

sudo cp Desktop/b43/*  /lib/firmware/b43
sudo modprobe -r b43 && sudo modprobe b43

Your wireless should now be working.

https://dl.dropbox.com/u/58267392/b43.zip

If this is not your device ID, please post it and we'll proceed.

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@Chill555That is my device I.D. But when I ran your suggested commands but they didn't work this is what I got: alex@alex-Macmini:~$ sudo mkdir /lib/firmware/b43 [sudo] password for alex: alex@alex-Macmini:~$ sudo cp Desktop/b43/* cp: target Desktop/b43/ucode9.fw' is not a directory alex@alex-Macmini:~$ sudo cp Desktop/b43/* cp: target Desktop/b43/ucode9.fw' is not a directory alex@alex-Macmini:~$ /lib/firmware/b43 bash: /lib/firmware/b43: Is a directory alex@alex-Macmini:~$ sudo modprobe -r b43 && sudo modprobe b43 – Alex Pechlivanos Jan 3 at 19:19
Sorry about the format I did press enter at the proper time. – Alex Pechlivanos Jan 3 at 19:27
Your second command should be: sudo cp Desktop/b43/* /lib/firmware/b43. All in one command but with a space between the * and the following /. In human language, it means, as super user, copy everything in 'Desktop/b43' to '/lib/firmware/b43. It has to be in one command on one line. Please try again. – chili555 Jan 3 at 21:58
I did everything correctly and nothing happened. So I filled the file map into the file system and found all the files had successfully copyed into the driver section but nothing is happening I performed a reboot as well and still nothing. Any ideas? – Alex Pechlivanos Jan 5 at 1:49
Let's see if there are any clues here: dmesg | grep b43. Then a second command: rfkill list all. That funny pipe symbol | is on the right side of my US keyboard on the same key with \. – chili555 Jan 5 at 1:59
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