Steps
1. Place the I/O board on the palm-rest and keyboard assembly.
2. Align the screw holes on the I/O board to the screw holes on the palm-rest and keyboard assembly.
3. Connect the fingerprint-reader board cable to the connector on the I/O board and close the latch (applicable if model
shipped with a fingerprint reader).
4. Connect the I/O daughter board power cable to the connector on the I/O board and close the latch.
5. Close the hinge and replace the two (M2x3.5) screws that secure the display hinge to the palm-rest and keyboard assembly.
Next steps
1. Install the fan.
2. Install the M.2 2230 solid state drive or M.2 2280 solid state drive (whichever applicable).
3. Install the base cover.
4. Install the SD card.
5. Follow the procedure in After working inside your computer.
Power button with optional fingerprint reader
Removing the power button with optional fingerprint reader
CAUTION: The information in this section is intended for authorized service technicians only.
128 Removing and installing Field Replaceable Units (FRUs)