Latitude 7420/Latitude 7420 2-in-1 Service Manual

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Installing the WLAN antenna module

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The following image indicates the location of the WLAN antenna module and provides a visual representation of the installation procedure.

installing the WLAN antenna module.

Steps

  1. Align the screw holes on the WLAN antenna module with the screw holes on the palmrest assembly.
  2. Replace the two (M2x2.5) screws that secure the WLAN antenna module to the palmrest assembly.
  3. Route the WLAN antenna module cables through the routing guides on the palmrest assembly.
  4. Connect the WLAN antenna cables to the connectors on the wireless card.
  5. Align the screw hole on the WLAN bracket with the screw hole on the system board.
  6. Replace the (M2x2) screw that secures the WLAN bracket to the system board.

Next steps

  1. Install the base cover.
  2. Install the microSD card.
  3. Follow the procedure in after working inside your computer.
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