HP dx2390 Service Reference Guide: HP Compaq dx2390 Business PC - Page 69

System Board

Page 69 highlights

System Board 1. Prepare the computer for disassembly (Preparation for Disassembly on page 26). 2. Remove the computer access panel (Computer Access Panel on page 30). 3. Remove all expansion boards (Expansion Cards on page 38). 4. Disconnect all cables connected to the system board, noting their location for reinstallation. 5. Remove the heatsink (Heatsink on page 59). 6. Remove the remaining six screws that secure the system board to the chassis. 7. Slide the system board toward the front of the computer to disengage the I/O panel from the rear of the chassis. 8. Lift the system board out of the computer. When reinstalling the system board, first insert the I/O panel back into the slots in the rear of the chassis, and then align the board with the chassis screw holes. NOTE: When replacing the system board, you must change the chassis serial number in the BIOS. System Board 63

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System Board
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
26
).
2.
Remove the computer access panel (
Computer Access Panel
on page
30
).
3.
Remove all expansion boards (
Expansion Cards
on page
38
).
4.
Disconnect all cables connected to the system board, noting their location for reinstallation.
5.
Remove the heatsink (
Heatsink
on page
59
).
6.
Remove the remaining six screws that secure the system board to the chassis.
7.
Slide the system board toward the front of the computer to disengage the I/O panel from the rear
of the chassis.
8.
Lift the system board out of the computer.
When reinstalling the system board, first insert the I/O panel back into the slots in the rear of the chassis,
and then align the board with the chassis screw holes.
NOTE:
When replacing the system board, you must change the chassis serial number in the BIOS.
System Board
63