4.Detach the rear-facing webcam (4) from the bottom cover. (The rear-facing webcam is attached to the bottom cover with double-sided adhesive.)

5.Release the ZIF connector (1) to which the volume button board cable is attached, and then disconnect the volume button board cable from the volume button board.

6.Detach the RTC battery (2) from the bottom cover. (The RTC battery is attached to the bottom cover with double-sided adhesive.)

7.Release the RTC battery cable from the retention clips (3) built into the bottom cover.

System board 51