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Inspiron 15 3520 Service Manual

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Removing the Input/Output board

Prerequisites

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

About this task

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

Removing the Input/Output board

Steps

  1. Remove the two (M2.5x5) screws that secure the display hinge to the palm-rest and keyboard assembly.
  2. Lift the hinge up to access the I/O board.
  3. Open the latch and disconnect the I/O board cable from the I/O board.
  4. Open the latch and disconnect the fingerprint-reader board cable from the I/O board (if applicable).
  5. Remove the three (M2x3.5) screws that secure the I/O board to the palm-rest and keyboard assembly.
  6. Lift the I/O board off the palm-rest and keyboard assembly.

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