Slide the stud-finder horizontally along the wall where the computer cabinet will be mounted. When the stud-finder light comes on, mark the wall with a pencil. This indicates a stud.
Place the computer cabinet into postion. If you want to center the cabinet in the room, use a tape measure to place the computer cabinet.
Level the cabinet against the wall using a level. Place wood shims under the cabinet until it is level.
Install two 1/2-inch long grabber screws through the back of the computer cabinet into the studs using a power drill. Place screws through the cabinet at each stud in the wall. This will fasten the cabinet to the wall.