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Latitude 5420 Service Manual

Removing the power-button board


  1. Follow the procedure in Before working inside your computer.
  2. Remove the SIM card.
  3. Remove the microSD card.
  4. Remove the base cover.
  5. Remove the WLAN card.
  6. Remove the WWAN card.
  7. Remove the memory module.
  8. Remove the solid-state drive.
  9. Remove the battery.
  10. Remove the assembly inner frame.
  11. Remove the system board.

About this task

The following images indicate the location of the power-button board and provide a visual representation of the removal procedure.

Power-button board


  1. Remove the two screws (M2x2.5) that secure the power-button board to the palm-rest assembly.
  2. Lift the power-button board off the palm-rest assembly.

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