HP EliteDesk 800 G4 Maintenance and Service Guide - Page 54

WLAN module, Remove the Phillips PM2.0×3.0 screw

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WLAN module The WLAN module installs into a connector on the system board. For a list of available WLAN modules, see Computer major components on page 4. To remove the WLAN module: 1. Prepare the computer for disassembly (Preparation for disassembly on page 17). 2. Remove the access panel (Access panel on page 18). 3. Rotate the drive cage to its upright position (Drive cage on page 40). 4. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module. NOTE: The WLAN antenna cable labeled "1" connects to the WLAN module "Main" terminal labeled "1". The WLAN antenna cable labeled "2" connects to the WLAN module "Aux" terminal labeled "2". 5. Remove the Phillips PM2.0×3.0 screw (2) that secures the WLAN module to the computer. (The edge of the module opposite the slot rises away from the computer.) 6. Remove the WLAN module (3) by pulling the module away from the slot at an angle. NOTE: WLAN modules are designed with a notch to prevent incorrect insertion. Reverse this procedure to install the WLAN module. 46 Chapter 4 Removal and replacement procedures

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WLAN module
The WLAN module installs into a connector on the system board.
For a list of available WLAN modules, see
Computer major components
on page
4
.
To remove the WLAN module:
1.
Prepare the computer for disassembly (
Preparation for disassembly
on page
17
).
2.
Remove the access panel (
Access panel
on page
18
).
3.
Rotate the drive cage to its upright position (
Drive cage
on page
40
).
4.
Disconnect the WLAN antenna cables
(1)
from the terminals on the WLAN module.
NOTE:
The WLAN antenna cable labeled “1” connects to the WLAN module “Main” terminal labeled “1”.
The WLAN antenna cable labeled “2” connects to the WLAN module “Aux” terminal labeled “2”.
5.
Remove the Phillips PM2.0×3.0 screw
(2)
that secures the WLAN module to the computer. (The edge of
the module opposite the slot rises away from the computer.)
6.
Remove the WLAN module
(3)
by pulling the module away from the slot at an angle.
NOTE:
WLAN modules are designed with a notch to prevent incorrect insertion.
Reverse this procedure to install the WLAN module.
46
Chapter 4
Removal and replacement procedures