● Memory modules (see Memory module on page 39).
● WLAN module (see WLAN module on page 41).
● WWAN module (see WWAN module on page 42).
● Solid-state drive (see Solid-state drive on page 44).
● Heat sink (see Heat sink on page 58).
Remove the system board:
1. Disconnect the following cables from the system board:
NOTE: You should not disconnect the RTC battery cable from the system board.
● Antenna cables from the WLAN module (select products only) (1)
● Display cable (ZIF) (2)
● Speaker cable (3)
● Keyboard cable (reverse ZIF) (4)
● Smart card reader cable (ZIF) (5)
● Touchpad cable (ZIF) (6)
● Keyboard backlight cable (ZIF) (select products only) (7)
● NFC module cable (ZIF) (8)
● Fingerprint reader cable (ZIF) (select products only) (9)
● I/O board cable (ZIF) from I/O board (10)
2. Remove the three Phillips M2.0 × 1.8 screws (1).
3. Remove the three Phillips M2.0 × 4.0 screws (2).
60
Chapter 6 Removal and replacement procedures for authorized service provider parts
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