Specifications

e. Top cover (see Top cover on page 69)
f. Heat sink (see
Heat sink on page 85)
g. Fan (see
Fan on page 87)
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:
●
WWAN module (see
WWAN module on page 55)
●
Solid-state drive (see
Solid-state drive on page 57)
●
WLAN module (see
WLAN module on page 59)
●
Memory modules (see
Memory module on page 61)
Remove the system board:
1. Turn the top cover upside down with the front toward you.
2. Release the ZIF connector (1) to which the power button board cable is attached, and then
disconnect the power button board cable from the system board.
3. Release the ZIF connector (2) to which the fingerprint reader board cable is attached, and then
disconnect the fingerprint reader board cable from the system board.
4. Disconnect the speaker cable (1) from the system board.
Component replacement procedures
91