A gaming machine includes a cabinet, a lower liquid crystal display, a manual adjustment mechanism and liquid storage portions. The lower liquid crystal display is attached to the cabinet. The manual adjustment mechanism adjusts an attachment angle of the lower liquid crystal display with respect to the cabinet, in accordance with a movement of the lower liquid crystal display. The liquid storage portion has liquid and a plurality of inclination indicators. The attachment angle is presented based on a relative positional relation between the liquid and the inclination indicators.