NOTE:
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
WLAN module (see
WLAN module on page 32
)
●
Memory module (see
Memory module on page 41
)
●
Solid-state drive (see
Solid-state drive (M.2) on page 34
)
●
Heat sink (see
Heat sink on page 46
)
●
Fan (see
Fan on page 45
)
Remove the system board:
1.
Disconnect the following cables from the system board:
(1):
Power connector cable
(2):
Wireless antennas (may include one or two antennas)
(3):
Keyboard cable
(4):
Webcam cable
(5):
Display cable
(6):
Power button board cable
(7):
Fan cable
(8):
Speaker cable
(9):
Touchpad board cable
(10):
Hard drive cable
2.
Remove the four Phillips PM2.0×3.0 screws
(1)
that secure the system board to the computer.
60
Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
