Service Manual

12. Replace the two screws (M2x3) that secure the eDP cable bracket to the system board.
13. Connect the touchscreen cable from the connector on the system board (for models shipped with a touchscreen).
14. Connect IR camera cable from the connector on the system board (for models shipped with an IR camera).
15. Connect the clickpad cable to the system board and close the latch to secure the cable to the system board.
16. Connect the USH board cable to the system board and close the latch to secure the cable to the system board.
Next steps
1. Install the heat sink.
2. Install the assembly inner frame.
3. Install the battery.
4. Install the hard drive.
5. Install the WWAN card.
NOTE: For 4G/5G WWAN configurations, ensure that you transfer the absorbers to the new system board.
6. Install the wireless card.
7. Install the 2280 solid-state drive or 2230 solid-state drive.
8. Install the base cover.
9. Install the microSD card.
10. Install the SIM card.
11. Follow the procedure in After working inside your computer.
Power button with fingerprint reader
Removing the power button with fingerprint reader
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM card.
3. Remove the microSD card.
4. Remove the base cover.
5. Remove the 2280 solid-state drive or 2230 solid-state drive.
6. Remove the memory modules.
7. Remove the battery.
8. Remove the hard drive.
9. Remove the wireless card.
10. Remove the WWAN card.
11. Remove the assembly inner frame.
12. 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.
About this task
The following image indicates the location of the power-button board and provide a visual representation of the removal
procedure.
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Removing and installing components