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Latitude 3420 Service Manual for computers with discrete graphics

PDF

Removing the power button with fingerprint reader

Prerequisites

  1. Follow the procedure in before working inside your computer.
  2. Remove the microSD-card.
  3. Remove the SIM card tray for 4G LTE enabled systems.
  4. Enter the service mode.
  5. Remove the base cover.
  6. Remove the I/O board.
  7. Remove the ethernet port.

About this task

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

NOTE:The following images are from systems shipped with integrated graphic card. The system board has a different configuration for discrete graphic cards.

Image: Removing the screws that secure the base cover to the palm-rest and keyboard assembly

Steps

  1. Peel the power button cable with adhesive backing from the palmrest assembly.
  2. Lift the power button with fingerprint reader off the palmrest assembly.
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