System Board - HP dc7900 - Convertible Minitower PC Service & Reference Manual

System Board

1. Prepare the computer for disassembly
2. When replacing the system board, make sure the following components are removed from the
defective system board and installed on the replacement system board:
●
Memory modules
●
Expansion boards
●
Processor
3. Remove the computer access panel
4. Remove all expansion boards
5. Disconnect all cables connected to the system board, noting their location for reinstallation.
6. Remove the heatsink
7. Remove the 10 screws that secure the system board to the chassis.
8. Slide the system board toward the front of the computer so that the connectors loosen from the
rear of the chassis.
9. Lift the system board out of the computer.
Figure 7-54
NOTE: When replacing the system board, you must also change the chassis serial number in the
BIOS.
(Expansion Cards on page
(Heatsink on page
Removing the system board
(Preparation for Disassembly on page
(Computer Access Panel on page
79).
104).
63).
70).
System Board 109