Vostro 5402 Service Manual

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Installing the I/O board - discrete

Prerequisites

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

About this task

The figure indicates the location of the I/O board and provides a visual representation of the installation procedure.

Installing I/O board - discrete

Steps

  1. Place the I/O board on the palm-rest and keyboard assembly.
  2. Align the screw holes on the I/O board with the screw holes on the palm-rest and keyboard assembly.
  3. Replace the three screws (M2x3) that secure the I/O board to the palm-rest and keyboard assembly.
  4. Connect the fingerprint reader cable to the I/O board and close the latch to secure the cable.
  5. Lower the left hinge, and replace the two screws (M2.5x4) and (M2x3).
  6. Route the I/O cable underneath the system fan using adhesive tape.
  7. Connect the I/O-board cable to the I/O board and close the latch to secure the cable.
  8. Place the mylar cover back.

Next steps

  1. Install the coin-cell battery.
  2. Install the battery (3-cell or 4-cell) based on the configuration.
  3. Install the base cover.
  4. Follow the procedure in after working inside your computer.

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