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Inspiron 15 3520 Service Manual

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Installing the Input/Output board

Prerequisites

If you are replacing a component, remove the existing component before performing the installation process.

About this task

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

Installing the Input/Output board

Steps

  1. Place the I/O board on the palm-rest and keyboard assembly.
  2. Align the screw holes on the I/O board to the screw holes on the palm-rest and keyboard assembly.
  3. Replace the three (M2x3.5) screws that secure the I/O board to the palm-rest and keyboard assembly.
  4. Connect the fingerprint-reader board cable to the connector on the I/O board and close the latch (if applicable).
  5. Connect the I/O board power cable to the connector on the I/O board and close the latch.
  6. Close the hinge and replace the two (M2.5x5) screws that secure the display hinge to the palm-rest and keyboard assembly.

Next steps

  1. Install the base cover.
  2. Install the SD card.
  3. Follow the procedure in After working inside your computer.

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