6. Remove the battery (see Battery on page 40).
7. Remove the front-facing webcam/microphone module (see Front-facing webcam/microphone module
on page 43).
When replacing the system board, be sure to remove the following components from the defective system
board and install them on the replacement system board:
●
Fan/heat sink assembly (see Fan/heat sink assembly on page 50)
●
Memory module(s) (see Memory module on page 54)
●
Solid-state drive (see Solid-state drive on page 55)
Remove the system board:
1. Disconnect the following cables from the system board:
(1) Left speaker cable
(2) WLAN antenna cables
NOTE: The #1 WLAN antenna cable connects to the WLAN module "#1/Main" terminal. The #2 WLAN
antenna cable connects to the WLAN module "#2/Aux" terminal.
(3) Rear-facing webcam module ZIF connector cable
(4) Fingerprint reader board ZIF connector cable
2. Release the shielding material (5) that covers the HDMI/USB port connector board cable and connectors.
3. Release the ZIF connector (6) to which the HDMI/USB port connector board cable is connected, and then
disconnect the HDMI/USB port connector board cable from the system board.
4. Release the ZIF connector (7) to which the POGO pin connector cable is connected, and then disconnect
the POGO pin connector cable from the system board.
5. Remove the six Phillips M2.0×3.0 screws (1) that secure the system board to the back cover.
48 Chapter 5 Removal and replacement procedures
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