System Board - HP ProOne 400 Maintenance And Service Manual

System board

The system board is secured with a a total of ten Torx screws. Two of the screws also secure the removable
side bracket, and two other screws secure the I/O bracket.
To remove the system board:
1. Prepare the computer for disassembly (see
2. Remove the rear port cover (see
3. Remove the stand (see
4. Remove the access panel (see
5. Remove the system board shield (see
6. Remove the memory modules (see
7. Remove the WLAN module (see
8. Remove the heat sink (see
9. Remove the processor (see
10. Disconnect all cables from the system board, noting their location for reinstallation.
11. Remove the eight Torx screws (1) that secure the system board to the computer.
Preparing to disassemble the computer on page
Rear port cover on page
Attaching and removing a stand on page
Access panel on page
System board (EMI) shield on page
Memory on page
WLAN module on page
Heat sink on page 37).
Processor on page 38).
23).
20).
24).
32).
33).
36).
19).
System board 41