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Latitude 7420/Latitude 7420 2-in-1 Service Manual

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Installing the power button with fingerprint reader

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

The following image indicates the location of the power button with fingerprint reader and provides a visual representation of the installation procedure.

Installing the power button

Steps

  1. Replace the power button with fingerprint reader into its slot in the computer.
  2. Secure the power button with fingerprint reader to the computer using the two (M1.6x1.7) screws.

Next steps

  1. Install the system board.
  2. Install the heatsink assembly.
  3. Install the battery.
  4. Install the WWAN card.
  5. Install the solid-state drive.
  6. Install the base cover.
  7. Install the SIM card.
  8. Install the microSD card.
  9. Follow the procedure in after working inside your computer.

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