HP dc73 Service Reference Guide - HP Compaq dc7800 Business PC - Page 166

To install the system board, reverse the removal procedure., When replacing the system board

Page 166 highlights

8. Disconnect the serial port from the system board. 9. Disconnect the balance of the cables from the system board. 10. Remove the heatsink (Heatsink on page 149). 11. Remove the eight screws that secure the system board to the chassis (1). 12. Lift up the front of the system board (2), and then pull the system board forward, up, and out of the chassis (3). To install the system board, reverse the removal procedure. NOTE: When replacing the system board, you must also change the chassis serial number in the BIOS. NOTE: The heatsink should be installed on the system board before the system board is reinstalled in the chassis. 154 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis

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8.
Disconnect the serial port from the system board.
9.
Disconnect the balance of the cables from the system board.
10.
Remove the heatsink (
Heatsink
on page
149
).
11.
Remove the eight screws that secure the system board to the chassis (1).
12.
Lift up the front of the system board (2), and then pull the system board forward, up, and out of the
chassis (3).
To install the system board, reverse the removal procedure.
NOTE:
When replacing the system board, you must also change the chassis serial number in the
BIOS.
NOTE:
The heatsink should be installed on the system board before the system board is reinstalled
in the chassis.
154
Chapter 8
Removal and Replacement Procedures Small Form Factor (SFF) Chassis