Place the motherboard and fold a piece of the ribbon and put it under the usb ports so when you secure the motherboard the pressure keeps the ribbon in place. Secure the motherboard in the bottom Docky component with 5 screws.
Place the led board into the crevice in the bottom component and apply some pressure until it's pretty firm.
Place usb-c port and tighten the 2 screws.
With the bottom component fully assembled insert the side with the HDMI, usb and power ports into the top Docky component first, apply a little pressure.
Proceed to insert the other side with the 2 usb ports by lifting a bit the plastic so you can slide the bottom Docky component into the top component.
Tighten the bottom Docky component with 4 screws.
Install the cover by placing one end into the top Docky component and then sliding the other end until it seats firmly.