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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:
●
Memory module (see
●
WLAN module (see
●
RTC battery (see
RTC battery on page
●
Power connector and cable (see
●
Fan (see
Fan on page
●
Heat sink (see
Heat sink on page
Remove the system board:
1.
Disconnect the Bluetooth module cable (1) from the system board.
2.
Release the ZIF connector to which the power switch board cable is connected, and disconnect the
power switch board cable (2) from the system board.
3.
Remove the four Phillips PM2.5×4.0 screws (1) that secure the system board to the base
enclosure.
4.
Remove the two Phillips PM2.5×4.0 screws (2) that secure the power connector to the base
enclosure.
Memory module on page
WLAN module on page
48)
Power connector and cable on page
65)
66)
41)
44)
Component replacement procedures
64)
61
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