Step 1: Materials
2 1 inch Phillips screws
1/4 Masonry drill bit (cuts through metal)
Step 2: Gut the Computer
Remove Drives, Motherboard, Fans, Switches, LEDS or any other Addons.
Save components that can be used again for another computer or a micro-controller project.
Step 3: Make the Holes, Plug and Mount
Poke the holes on the area of wall where you want to mount the Shelf.
Use the wall-plugs, then Screw.