5. For systems shipped with 4G antennas, connect the speaker cable to the connector on the system board.
6. For systems shipped with 5G antennas, place the WWAN shielding cover in its slot on the system board.
7. For systems shipped with 5G antennas, align the screw holes on the WWAN shielding cover with the screw holes on the
system board.
8. For systems shipped with 5G antennas, replace the three screws (M2x2.5) to secure the WWAN shielding cover to the
system board.
Next steps
1. Install the 3-cell battery or the 4-cell battery, whichever applicable.
2. Install the base cover.
3. Follow the procedure in After working inside your computer.
Smart card reader
Removing the smart card reader
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the 3-cell battery or the 4-cell battery, whichever applicable.
About this task
NOTE: This procedure applies only to computers shipped with a smart card reader installed.
The following images indicate the location of the smart card reader and provide a visual representation of the removal
procedure.
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Removing and installing components
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