HP ProDesk 600 G4 Micro Maintenance and Service Guide - Page 49

WLAN module, The WLAN antenna cable labeled 1/MAIN connects to the WLAN module Main terminal.

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WLAN module CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module 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. Before removing the WLAN module, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 30). 2. Remove the access panel (see Access panel on page 31). 3. Remove the front bezel (see Front bezel on page 34). 4. Remove the drive cage (see Drive cage on page 38). Remove the WLAN module: 1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module. NOTE: The WLAN antenna cable labeled "1/MAIN" connects to the WLAN module "Main" terminal. The WLAN antenna cable labeled "2/AUX" connects to the WLAN module "Aux" terminal. 2. Remove the Phillips M2.0×3.5 screw (2) that secures the WLAN module to the system board. (The module tilts up.) 3. Remove the WLAN module (3) by pulling the module away from the slot at an angle. NOTE: WLAN modules are designed with notches to prevent incorrect insertion. Reverse this procedure to install the WLAN module. WLAN module 41

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WLAN module
CAUTION:
To prevent an unresponsive system, replace the wireless module only with a wireless module
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.
Before removing the WLAN module, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
30
).
2.
Remove the access panel (see
Access panel
on page
31
).
3.
Remove the front bezel (see
Front bezel
on page
34
).
4.
Remove the drive cage (see
Drive cage
on page
38
).
Remove the WLAN module:
1.
Disconnect the WLAN antenna cables
(1)
from the terminals on the WLAN module.
NOTE:
The WLAN antenna cable labeled "1/MAIN" connects to the WLAN module "Main" terminal. The
WLAN antenna cable labeled "2/AUX" connects to the WLAN module "Aux" terminal.
2.
Remove the Phillips M2.0×3.5 screw
(2)
that secures the WLAN module to the system board. (The module
tilts up.)
3.
Remove the WLAN module
(3)
by pulling the module away from the slot at an angle.
NOTE:
WLAN modules are designed with notches to prevent incorrect insertion.
Reverse this procedure to install the WLAN module.
WLAN module
41