Removal and Replacement Procedures
Maintenance and Service Guide 5–63
5.21 System Board
✎
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 modules (Section 5.7 and Section 5.13)
■ Processor (Section 5.12)
■ Mini Card WLAN module (Section 5.14)
■ Modem module (Section 5.22)
■ RTC battery (Section 5.23)
1. Prepare the computer for disassembly (Section 5.3)
and remove the following components:
a. Hard drive (Section 5.4)
b. Bluetooth module (Section 5.6)
c. Keyboard cover (Section 5.8)
d. Keyboard (Section 5.9)
e. Fan (Section 5.10)
f. Heat sink (Section 5.11)
g. Display assembly (Section 5.15)
h. Button board (Section 5.16)
i. Top cover (Section 5.17)
j. Speaker (Section 5.19)
k. Infrared board (Section 5.20)
System Board Spare Part Number Information
System board 419116-001
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