Replacing the power button with optionalfingerprint readerWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow thesteps in Before working inside your computer. After working inside your computer, follow the instructions in After working insideyour computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.ProcedureNOTE: If the power button does not include the fingerprint reader, perform only steps 2 and 3. Complete all steps if the powerbutton 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-requisites1 Replace the system board.2 Replace the fans.3 Replace the solid-state drive.4 Replace the battery.5 Replace the base cover.27Replacing the power button with optional fingerprint reader 49