6. Release the system board (3) by sliding it to the right at an angle until the connectors on the left
side of the system board disengage from the base enclosure.
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:
●
Fan and heat sink assembly (see
Fan and heat sink on page 117)
●
Processor (see
Processor on page 121)
●
RTC battery (see
RTC battery on page 69)
●
Memory modules (see
Memory module on page 67)
●
WLAN module (see
WLAN module on page 62)
●
Modem module (see
Modem module on page 102)
Reverse the preceding procedure to install the system board.
112 Chapter 4 Removal and replacement procedures
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