7. Remove the M.2 2230 or M.2 2280 SSD from slot 1, as applicable.
8. Remove the M.2 2230 SSD 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.
12. Remove the display assembly.
13. Remove the smart-card reader.
14. Remove the fingerprint reader, if applicable.
About this task
NOTE: For models shipped with wireless card only, the dummy SIM-card slot filler is a separate service part and is not 
included with a replacement palm rest. As a result, the dummy SIM-card slot filler must be removed and then reinstalled 
when replacing the palm-rest assembly.
The following images indicate the dummy SIM-card slot filler and provide a visual representation of the dummy SIM-card slot 
filler removal procedure.
Figure 98. Removing the dummy SIM-card slot filler
Steps
1. Using a scribe, push the dummy SIM-card slot filler from the top side of the palm-rest assembly.
2. Gently lift the dummy SIM-card slot filler out of the palm-rest assembly.
Installing the dummy SIM-card slot filler
CAUTION: The information in this installation section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the necessary component before the installation procedure.
About this task
The following images indicate the location of the dummy SIM-card slot filler and provide a visual representation of the dummy 
SIM-card slot filler installation procedure.
Removing and installing Field Replaceable Units (FRUs)
133