Carefully remove the Wi-Fi antennas from the mini Pci-e adapter.

Note for reassembly: The black antenna attaches to 1 and the gray attaches to 2.

tip : Make a sketch of the laptop, where all the screws are, and how to put it back afterwards.

Remove the mini Pci-e Wi-Fi adapter by removing the small screw. Lift the screw side gently, then pull out.