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

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Installing the I/O board

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 I/O board and provides a visual representation of the installation procedure.

Installing the I/O board

Steps

  1. Replace the I/O board into its slot in the computer.
  2. Secure the I/O board to the computer using two (M2x4) 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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