Step 22 — Left Speaker
Disconnect the two antenna cables attached to the Airport Extreme card.
The cable with the gray shielding attaches to the left side connector, while the cable with the white shielding attaches to the right side.
Step 23
Remove the single black T6 Torx screw from the top right corner of the Airport Extreme card.
Step 24
Lift the Airport Extreme card up and slide it out of its connector.