System Board - HP Compaq NC4400 Maintenance And Service Manual

5.21 System Board

System Board Spare Part Number Information

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