Steps
1. Slide the ethernet and audio board into the M.2 card slot on the system board.
2. Align the screw holes on the ethernet and audio board to the screw holes on the system board.
3. Replace the two screws (M2x4) that secure the ethernet and audio board to the system board.
4. Turn the system-board assembly over.
Next steps
1. Install the system board.
2. Install the wireless card.
3. Install the solid-state drive.
4. Install the rear cover.
5. Install the battery.
6. Install the base cover.
7. Follow the procedure in After working inside your computer.
Power button
Removing the power button
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the battery.
4. Remove the rear cover.
5. Remove the solid-state drive.
6. Remove the wireless card.
7. Remove the system board.
NOTE:
 The system board can be removed as an assembly with the memory modules, fan and heat-sink assembly,
ethernet and audio board, and USB board attached.
Removing and installing components 55