Go to the screen with "ventilation hole"

Enlarged "ventilation hole"

sponsered link

Enlarge the lower left of "Ventilation Hole"

[ Screwdriver ] remove the screws

[ Driver ] remove the screw in the lower left

The upper screw can't be removed because the head is square.

sponsered link

Open "Ventilation Hole"

sponsered link

[ Flashlight ] illuminates the inside

Get [Key]