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 53)
●
WLAN module (see
WLAN module on page 50)
●
Processor (see
Processor on page 88)
Remove the system board:
1. Remove the RJ-11 connector (1) from the base enclosure clip.
2. Disconnect the Bluetooth module cable (2) and the USB connector module cable (3) from the
system board.
3. Remove the Torx T8M2.5×6.0 screw from the system board.
4. Flex the left side of the base enclosure until the external monitor connector (1) and the heat sink
(2) are clear of the openings in the base enclosure.
5. Lift the rear edge of the system board (3) until it rests at an angle.
80 Chapter 4 Removal and replacement procedures
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