I am trying to install Ubuntu 12.04 on my Macbook. The CD drive is broken, so I am going from a USB flash drive I created. I can get it to "Try Ubuntu" perfectly fine, as a matter of fact I'm using it right now.
However, I really want to install. Everything is partitioned, rEFIt is installed. I run the installer and I follow the guide at Apple Intel Installation I get to the install part of the installer, and after running it ends with a fatal grub error.
Anyone know how to get past this? I feel like it has something to do with the fact that I don't get the last dialog box of the installer with the "advanced" tab used in the guide. Any help is greatly appreciated!