Remove all ribbon cables with the plastic spudger.

Gently pry up the black plastic tabs to slide out the ribbon cables

Take note of this black cable and where it connects to the motherboard. This is a fiber optic cable which is used for the camera flash. It will need to be reconnected after replacing the motherboard.

When reconnecting the fiber optic cable, simply push the black cable into the hole in the connector and push it all the way in.