Step 25: now is a good time to retrieve and put somewhere safe the right ambient light-sensor cover.
When installing new memory, note the orientation of the notch in the row of pins - about two fifths from the front of the computer - in relation to the matching ridge in the slots.
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.