Also mind the plastic grey clips that are on the "chassis". These clips are referenced in step 11 (the 1st bullet point). My clips fell out. I had no idea what they were at first or where they belonged. When sliding out the optical drive, the clips can fall out into the space that was previously occupied by the optical drive. They are easy to slide back into the "frame" of the computer. There are four of these plastic clips.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.