HP Z Series User Manual

3. Disconnect the rear fan cable (3) from the system board.
To install the rear fan, reverse the removal procedure.
System board
To remove the system board, use these procedures.
NOTE: All system board spare part kits include replacement thermal material.
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 18).
2. Remove the access panel (see Access panel on page 20).
3. Remove the memory fan duct (Memory fan duct on page 26).
4. Remove the rear fan (see Rear fan on page 28).
5. Remove the memory fan (Memory fan on page 27).
6. When replacing the system board, be sure that the heat sink (see Heat sink on page 31) is removed
from the defective system board and installed on the replacement system board.
Remove the system board:
1. Disconnect the following cables from the system board:
(1) Power supply P2 cable
(2) Front audio cable
(3) Thermal cable
(4) Power supply P1 cable
(5) FUI cable
(6) USB cable
(7) OCUlink cable (used on FIOUI Premium models)
System board
29

HP Z Series Specifications

General

Brand	HP
Model	Z Series
Category	Desktop
Language	English