To reinstall the air duct:
1.
Align and insert the tabs on the air duct under the GPU fans.
2.
Align and replace the air duct to the chassis ensuring that the screw holes on the air
duct match the screw holes on chassis.
3.
Secure the air duct to the chassis with the five screws removed earlier.
ASUS ESC8000 G4
2-5