Steps
1. Align and place the smart-card reader on its slot on the palm-rest assembly.
2. Replace the two screws (M2x2) that adheres the smart-card reader to the palm-rest assembly.
3. Connect the smart-card cable to the connector on the USH board and close the latch.
Next steps
1. Install the assembly inner frame.
2. Install the battery.
3. Install the base cover.
4. Install the SIM card.
5. Follow the procedure in After working inside your computer.
Dummy SIM-card slot filler
Removing the dummy SIM-card slot filler
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM card.
3. Remove the base cover.
4. Remove the 4G WWAN card or 5G WWAN card, as applicable.
5. Remove the WLAN card.
6. Remove the memory modules.
7. Remove the M.2 2230 or M.2 2280 solid-state drive from Slot 1, as applicable.
8. Remove the M.2 2230 solid-state drive from Slot 2, if applicable.
9. Remove the battery.
10. Remove the assembly-inner frame.
11. Remove the system board.
NOTE:
The system board can be removed with the heat sink attached in order to simplify the procedure and preserve
the thermal bond between the system board and heat sink.
122 Removing and installing Field Replaceable Units (FRUs)