Lift the flap attaching the blue and white ribbon cable to the motherboard by lifting it vertically with the spudger.

Lift the flap with the pointed-end of the spudger to detach the ribbon cable indicated in the second image.

The flaps are connected via a hinge. Once you lift the flap, it will stay up and the cable will be lose. Remember to snap it back down during reassembly.

Use tweezers to pull the ribbon cable in the third image laterally to detach it.