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

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Removing the I/O board

Prerequisites

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

About this task

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

Removing the I/O board

Steps

  1. Remove the two (M2x4) screws that secure the I/O board to the computer.
  2. Lift and remove the I/O board from the computer.

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