4.Remove lower sealing plate
screw
lower sealing plate
Remove 4 screws on lower sealing plate,
lift it upwards to let it separate from
upper 3 clasps,and then remove the lower
sealing plate.
Remove 2 screws at the front side of case,
4 screws at the back side and 4 screws at
both sides, hold both sides of rear cover,
pull it outwards and then remove the
rear cover.
6. Remove horizontal louver
Remove the horizontal louver from left
to right direction.