Steps
1. Slide and place the WLAN-antenna module into the WLAN-antenna module slot on the system board.
2. Replace the two screws (M2x2.5) to secure the WLAN-antenna module to the system board.
3. Route the WLAN-antenna cables into the routing guides on the system board.
4. Connect the WLAN-antenna cables to the WLAN-antenna module.
The following table provides the antenna-cable color scheme for the WLAN-antenna module supported by your system.
Table 4. WLAN-antenna cable color scheme
Connectors on the wireless card Antenna cable color
Main (white triangle) White
Auxiliary (black triangle) Black
5. For computers shipped with 5G antennas, place the WWAN shielding cover in its slot on the system board.
6. For computers shipped with 4G antennas, place the WLAN-antenna module bracket in its slot on the system board.
7. For computers shipped with 5G antennas, align the screw holes on the WWAN shielding cover with the screw holes on the
system board.
8. For computers shipped with 4G antennas, align the screw hole on the WLAN-antenna module bracket with the screw hole on
the system board.
9. For computers shipped with 5G antennas, replace the three screws (M2x2.5) to secure the WWAN shielding cover to the
system board.
10. For computers shipped with 4G antennas, replace the screw (M2x2) to secure the WLAN-antenna module bracket to the
system board.
Next steps
1. Install the base cover.
2. Follow the procedure in After working inside your computer.
50
Removing and installing components
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