Ubuntu – How to get Wifi working on Ubuntu 14.04 (Macbook Pro Retina 15 inch – 2014)

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I just downloaded Ubuntu 14.04 on my Macbook Pro Retina 15 inch 2014 version using usb. My problem is I can't get the Wifi working. No wifi connections would display on the wifi menu. I've tried searching for solutions all over the internet, but I could only find one solution, and that was using the Ethernet cable and downloading external software. Problem is, I currently don't have an ethernet cable, nor do I have a port to connect the ethernet cable (I live in a dorm). Basically, I have no way to connect to ethernet cable, yet need the wifi. Is there any way I could download the wifi driver probably using sudo-apt get? Please help me out.

Thanks in advance.

Best Answer

You need to install dkms and bcmwl-kernel-source.

Without internet connection

Both are located on the Ubuntu installation medium (possibly in different versions as reflected in the file names):

pool/main/d/dkms/dkms_2.2.0.3-1.1ubuntu5_all.deb
pool/restricted/b/bcmwl/bcmwl-kernel-source_6.30.223.141+bdcom-0ubuntu2_amd64.deb

Alternatively you can download the current versions:

  1. Ask your friends to have them download the .deb files of the newest versions of the packages dkms and bcmwl-kernel-source. Both links lead to a list with the current versions of the respective package at the top for the right release (Trusty) and the right architecture (amd64).

  2. Then copy these two files on your flash drive (1GB recommended).

Now, using the terminal, navigate to Desktop and type in this command:

sudo dpkg -i "drag one of the files here"

Then press enter. And click install if anything pops up. And you're done :)

With internet connection

If you can somehow establish a internet connection (e. g. through a wired ethernet connection), you just need to install those package normally:

sudo apt-get install dkms bcmwl-kernel-source
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