I'm new to Ubuntu and Linux in general and I'm not sure how to go about setting up my wifi. It doesn't detect any networks.
I'm using a late-2013 13.3" macbookpro with retina display, so it doesn't come with an ethernet port. I used this installation guide to dual boot Mac OSx and Ubuntu 14.04.
I have a second computer that runs windows 7 that I'm using to research this and I want to avoid purchasing an ethernet adapter if possible.
I also did not install/download any of the updates as a result.
The pipe symbol | is on the right side of my US keyboard on the same key with '\'. Is this your device?
If so, then bcmwl-kernel-source is correct for your device. If you still have the install DVD or USB, then you can find it and its prerequisite there. Navigate to pool > restricted > b > bcmwl and drag and drop the deb file to your desktop. Now navigate to pool > main > d > dkms and drag and drop dkms to your desktop. Now install both with:
Load the driver:
Your wireless should now be working.
If your device is not 14e4:43a0, tell us what it actually is and we'll proceed.