Maintenance & Service Guide HP Compaq Pro 4300 All-in-One Business PC

To remove the system board shield:
1. Prepare the computer for disassembly (see
Preparing to Disassemble the Computer
on page 33).
2. Remove the center access panel (see
Hinge Cover Panel on page 34).
3. Remove the memory access panel (see
Memory Access Panel on page 36).
4. Remove the drive access panel (see
Drive Access Panel on page 38).
5. Remove the stand (see
Stand on page 61).
6. Remove the optical drive (see
Optical Drive on page 40).
7. Remove the top panel (see
Top Panel on page 58).
8. Remove the heat sink cover (see
Heat Sink Cover on page 52).
9. Remove the rear cover (see
Rear Cover on page 62).
10. Remove the two black Torx screws (1) that secure the shield to the computer.
NOTE: The Torx screw in the lower left also secures the stand bracket.
11. Remove the two silver hex screws around the serial port (2).
12. Lift the shield from the computer.
Figure 6-53 Removing the system board shield
To install the system board shield, reverse the removal procedures.
70 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis