3.
Disconnect all external devices from the computer.
4.
Remove the top cover (see
NOTE:
When replacing the system board, be sure that the following components (as applicable) are
removed from the defective system board and installed on the replacement system board:
●
WLAN module (see
)
●
Solid-state drive (see
Solid-state drive (M.2) on page 32
●
Memory modules (see
)
●
Heat sink (see
Remove the system board:
1.
Disconnect the following cables from the system board:
(1): Display cable
(2): Touch board cable
(3): USB/card reader board cable
(4): Battery cable
(5): Speaker cable
(6): Power connector cable
2.
Remove the two Phillips PM2.5×4.0 screws that secure the system board to the computer (1).
3.
Remove the two Phillips PM2.5×4.0 screws (2) that secure the fan to the computer.
40
Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
