14. Install the base cover.
15. Install the SIM card tray, if applicable.
16. Follow the procedure in after working inside your computer.
Palm-rest assembly
Removing the palm-rest assembly
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 sim-card tray, if applicable.
3. Remove the base cover.
4. Remove the battery.
5. Remove the WWAN.
6. Remove the M.2 2230 solid state drive or M.2 2280 solid state drive, as applicable.
7. Remove the speakers.
8. Remove the fan.
9. Remove the display assembly.
10. Remove the smart card reader.
11. Remove the USH daughter board.
12. Remove the heat sink.
NOTE:
The system board can be removed and installed with the heat sink attached in order to simplify the procedure
and preserve the thermal bond between the system board and heat sink.
13. Remove the system board.
14. Remove the USB-C connector module.
15. Remove the I/O board.
16. Remove the power button with fingerprint reader.
17. Remove the keyboard assembly.
About this task
The figure below shows the palm rest after performing the pre-removal parts procedures for any palm-rest replacement.
116
Removing and installing Field Replaceable Units (FRUs)
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