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
Memory module on page 43)
●
WLAN module (see
WLAN module on page 40)
●
Processor (see
Processor on page 74)
Remove the system board:
1. Remove the RJ-11 jack (1) from the clip built into the base enclosure and remove the RJ-11 jack
cable from the hook (2) built into the base enclosure.
2. Disconnect the fan cable (3) and the Bluetooth module cable (4) from the system board.
3. Remove the Phillips PM2.0×6.0 screw (1) and the Torx T8M2.5×4.0 screw (2) that secure the
system board to the base enclosure.
4. Flex the left side of the base enclosure (1) until the external monitor connector (2) is clear of the
opening in the base enclosure.
5. Lift the rear edge of the system board (3) until it rests at an angle.
Component replacement procedures 67
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