Steps
1. Align and place the power-button board on the palm-rest assembly.
2. Replace the two (M2x2.5) screws that secure the power-button board to the palm-rest assembly.
Next steps
1. Install the system board.
NOTE:
The system board can be installed with the heat sink attached in order to simplify the procedure and preserve
the thermal bond between the system board and heat sink.
2. Install the assembly inner frame.
3. Install the heat sink - UMA or discrete based on the system configuration.
4. Install the battery.
5. Install the WWAN card.
6. Install the WLAN card.
7. Install the 2280 solid-state drive or 2230 solid-state drive.
8. Install the memory module.
9. Install the base cover.
10. Install the microSD card.
11. Install the SIM card.
12. Exit Service Mode.
13. Follow the procedure in After working inside your computer.
Smart card reader
Removing the smart card reader
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Enter Service Mode.
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Removing and installing components