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

11. Rotate the bottom of the board upward, and then remove the board from the computer.
Figure 6-51 Removing the sidekey board
To install the sidekey board, reverse the removal procedures.
System Board Shield
The system board shield covers the bottom of the system board. It is secured with two Torx screws
and two hex screws around the serial port.
Figure 6-52 System board shield location
System Board Shield 69