Outline what you are going to teach someone how to do.
Remove 3 screws running along back edge of case cover.
Remove 2 screws from each side of case cover.
Grab edges of cover, pull outward slightly, and pull straight up.
Be sure case cover has been removed prior to back panel removal.
Remove 5 screws from panel, as shown.
Use flat-head screwdriver to push in square tabs, located on each side of the back panel.
Use caution, the edges are sharp.