Look for the metal notches that are located to the side of each metal hinge. (see video)

Slide both corners of the main chromebook chassis under both of these metal notches. (see video)

Push both metal hinges down over the chassis. They should be lined up according to the screw hole pattern located on the chassis. (see video)

Replace both the left and right hinge screws. (see video)

Look for the arrow icons etched into the hinge metal next to each screw hole. These arrows indicate a screw is required. (Example, there are 3 screw holes on the left hinge but only 2 screws are required)