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Dell Latitude 7420 - Installing the Palmrest Antenna Module

Dell Latitude 7420
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3. Remove the base cover.
About this task
The following images indicate the location of the palmrest antenna module and provide a visual representation of the removal
procedure.
Steps
1. Remove the (M2x2) screw that secures the WLAN bracket to the system board.
2. Disconnect and unroute the antenna cables connected to the WLAN module on the system board.
3. Remove the two (M2x2.5) screws that secure the palmrest antenna module to the system.
4. Lift the palmrest antenna module away from the system.
Installing the palmrest 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 palmrest antenna module and provides a visual representation of the
installation procedure.
34
Removing and installing components

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