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

11. Disconnect the antenna cables from the module (1).
12. Remove the Phillips screw (2) that secures the module to the computer.
Figure 6-55 Removing the WLAN module screw and antennas
13. Lift the module to a 45-degree angle, and then pull it away to remove it from the socket.
Figure 6-56 Removing the WLAN module
To install the WLAN module, reverse the removal procedures.
NOTE: WLAN modules are designed with a notch to prevent incorrect insertion.
72 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis