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Latitude 5420 Service Manual

Removing the sensor board

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Enter service mode.
  3. Remove the SIM card.
  4. Remove the microSD card.
  5. Remove the base cover.
  6. Remove the WLAN card.
  7. Remove the WWAN card.
  8. Remove the display assembly.
  9. Remove the display bezel.

About this task

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

Removing the sensor board

Steps

  1. Open the latch and disconnect the display cable from connector on the sensor board.
  2. Gently lift the sensor board away from the display back cover.

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