1. Slide the system board to make the USB Type-C connector to toe-in to the hinge saddle and align the screw holes on the
system board with the screw holes on the palm-rest assembly and keyboard assembly.
2. Replace the four (M2x3) screws to secure the system board to the palm-rest assembly and keyboard assembly.
3. Align and place the USB Type-C bracket on the system board.
4. Replace the three (M2x5) screws that secure the USB Type-C bracket to the system board.
5. Route the coin-cell battery cable under the system board and connect the coin-cell battery cable to the connector on the
system board.
6. Connect the touch pad cable to the system board and close the latch to secure the cable to the system board.
7. Connect the USH board cable to the system board and close the latch to secure the cable to the system board.
8. Connect the touchscreen cable from the connector on the system board (for models shipped with a touchscreen).
9. Connect IR camera cable from the connector on the system board (for models shipped with an IR camera).
10. Route the display and eDP/display cable through the routing guide on the system board.
11. Connect the eDP/display cable to the connector on the system board.
12. Connect the display cable to the connector on the system board.
13. Adhere the tape that secures the display cable to the system board.
14. Align the screw holes on the eDP/display cable bracket with the screw holes on the system board.
15. Replace the two (M2x3) screws that secure the eDP/display cable bracket to the system board.
Next steps
1. Install the assembly inner frame.
2. Install the heat sink - UMA or discrete based on the system configuration.
3. Install the battery.
4. Install the WWAN card.
5. Install the WLAN card.
6. Install the 2280 solid-state drive or 2230 solid-state drive.
7. Install the memory module.
8. Install the base cover.
9. Install the microSD card.
10. Install the SIM card.
11. Exit Service Mode.
12. Follow the procedure in After working inside your computer.
Power-button board
Removing the power-button board
Prerequisites
About this task
1. Follow the procedure in Before working inside your computer.
2. Enter Service Mode.
3. Remove the SIM card.
4. Remove the microSD card.
5. Remove the base cover.
6. Remove the memory module.
7. Remove the 2280 solid-state drive or 2230 solid-state drive.
8. Remove the WLAN card.
9. Remove the WWAN card.
10. Remove the battery.
11. Remove the heat sink - UMA or discrete based on the system configuration.
12. Remove the assembly inner frame.
13. Remove the system board.
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Removing and installing components
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