Follow the instructions on the screen, from case ventilation holes shown in FIG 500-1], check the pass red dot doesn `t check struck the option board assembly, and press the enter key on the keyboard if there is a red dot.
Follow the instructions on the screen, in the figure 500-1: press the ENTER key on the keyboard and check workmanship check hit the option Board Assembly case ventilation holes shown than passed the red dot, red dot.
According to screen instructions [500-1 figures],I confirm the pass red dot of the workmanship check that I hit against the option board system than a case air hole showing で and push the ENTER key of the keyboard if there is a red dot.