Replacing the power button with optional
fingerprint reader
NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow
the steps in Before working inside your computer. After working inside your computer, follow the instructions in After
working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/
regulatory_compliance.
Procedure
NOTE: If the power button does not include the fingerprint reader, perform only steps 2 and 3. Complete all steps if the
power button includes the fingerprint reader.
1. Place the fingerprint-reader board into its slot on the palm-rest assembly.
2. Place the power button into its slot on the palm-rest assembly.
3. Pressing down on the power button, replace the two screws (M1.4x1.7) that secure the power button to the palm-rest
assembly.
4. Adhere the power button cable to the keyboard.
5. Replace the screw (M1.6x1.5) that secures the fingerprint-reader board to the palm-rest assembly.
Post-requisites
1. Replace the system board.
2. Replace the fans.
3. Replace the solid-state drive.
4. Replace the battery.
5. Replace the base cover.
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Replacing the power button with optional fingerprint reader 55
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