2. Remove the bottom cover (see Bottom cover on page 62).
3. Remove the battery (see Battery on page 74).
4. Remove the fan (see Fan on page 78).
NOTE: You do not have to remove the heat sink to remove the system board.
When you replace the system board, be sure to remove the following components (as applicable) from
the defective system board and install them on the replacement system board:
● Memory modules (see Memory modules on page 64).
● WLAN module (see WLAN module on page 66).
● WWAN module (see WWAN module on page 67).
● Solid-state drive (see Solid-state drive on page 69).
● Heat sink (see Heat sink on page 84).
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 (2) (ZIF)
● 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)
86
Chapter 8 Removal and replacement procedures for authorized service provider parts
To Next Page
Loading...
