Wlan Module - HP ProDesk 400 G4 Maintenance And Service Manual

WLAN module

The computer has one WLAN module socket.
CAUTION:
authorized for use in the computer by the governmental agency that regulates wireless devices in your
country or region. If you replace the module and then receive a warning message, remove the module to
restore device functionality, and then contact technical support.
To remove, replace, or add a WLAN module:
1. Prepare the computer for disassembly (see
2. Remove the access panel (see
3. Remove the drive cage (see
4. Disconnect the wireless antenna cables (1) from the terminals on the WLAN module.
NOTE:
The wireless antenna cable labeled "2/AUX" connects to the WLAN module "Aux" terminal.
5. Remove the Phillips PM2.0×3.0 screw (2) that secures the WLAN module to the computer. (The WLAN
module tilts up.)
6. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE: If the wireless antenna cables are not connected to the WLAN module terminal, protective sleeves (if
available) should be installed on the antenna connectors, as shown in the following illustration.
32 Chapter 4 Removal and replacement procedures
To prevent an unresponsive system, replace the wireless module only with a wireless module
Access panel on page
Drive cage on page
The wireless antenna cable labeled "1/MAIN" connects to the WLAN module "Main" terminal.
Preparation for disassembly on page
24).
28).
23).