Remove 3 screws from the back of the projector.

Remove 8 binding posts from the D-type connectors, using a 5mm socket.

The plastic back panel can now be lifted out.

Replacing the back panel can be a little tricky. Practice it now!

Lift off the metal shield, gently releasing the clips on the sides and the front, and easing it over the sockets at the back.

This metal cover is flimsy and easily bent. Try not to bend it, but if you do (which is likely), be sure to bend it back.