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:
●
SIM (see
●
Memory module (see
●
WLAN module (see
●
WWAN module (see
●
Modem module (see
●
Processor (see
Remove the system board:
1.
Position the computer right-side up, with the front toward you.
2.
Lift the Touchpad connector latch (1) and disconnect the Touchpad cable (2).
3.
Lift the fingerprint reader connector latch (3) and disconnect the fingerprint reader cable (4).
4.
Disconnect the power connector cable (5).
5.
Remove the display cable from the rubber routing path mounted on the computer (1).
110
Chapter 4 Removal and replacement procedures
SIM on page
65)
Memory modules on page
WLAN module on page
WWAN module on page
Modem module on page
Processor on page
74)
78)
76)
85)
93)