Steps
1. Place the power button with optional fingerprint reader on the palm-rest and keyboard assembly.
2. Align the screw hole on the power button with optional fingerprint reader with the screw hole on the palm-rest and keyboard
assembly.
3. Replace the screw (M2x2) that secures the power button with optional fingerprint reader to the palm-rest and keyboard
assembly.
4. Connect the fingerprint-reader cable to its connector on the I/O board and close the latch.
NOTE: Steps 4, 5 and 6 are only applicable for systems shipped with a fingerprint reader.
5. Adhere the fingerprint-reader cable to the palm-rest and keyboard assembly.
6. Replace the Mylar over the fingerprint-reader cable.
Next steps
1. Install the power-button board.
2. Install the heat sink.
3. Install the left fan.
4. Install the base cover.
5. Follow the procedure in After working inside your computer.
System board
Removing the system board
CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
1. Follow the procedure in Before working inside your computer.
NOTE:
Ensure that your computer is in Service Mode. For more information see, step 6 in Before working inside your
computer.
2. Remove the base cover.
3. Remove the memory module.
4. Remove the M.2 2230 solid-state drive or M.2 2280 solid-state drive, whichever applicable.
Removing and installing Field Replaceable Units (FRUs)
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