Dell Precision 5490 - WLAN Antennas; Removing the WLAN Antennas

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The figure indicates the location of the USH-board FPC and provides a visual representation of the installation procedure.
Figure 72. Installing the USH-board FPC
Steps
1. Align and place the USH-board FPC on the system board.
2. Replace the two screws (M1.4x1.2) to secure the USH-board FPC to the system board.
Next steps
1. Install the system board.
2. Install the audio jack.
3. Install the graphics-card fan.
4. Install the processor fan.
5. Install the battery.
6. Install the M.2 2230 solid state drive or M.2 2280 solid state drive.
7. Install the base cover.
8. Follow the procedure in After working inside your computer.
WLAN antennas
Removing the WLAN antennas
CAUTION: The information in this removal section is intended for authorized service technicians only.
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
Removing and installing Field Replaceable Units (FRUs)
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