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Inspiron 7400 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 process.

About this task

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

Image:Installing the I/O board

Steps

  1. Slide and place the I/O board on the palm-rest and keyboard assembly.
    NOTE Ensure that the USB port on the I/O board is aligned to the USB port slot 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 screw (M1.6x2.5) that secures the I/O board to the palm-rest and keyboard assembly.
  4. Replace the screw (M2x2) that secures the I/O board to the palm-rest and keyboard assembly.
  5. Connect the I/O-board cable to the connector on the I/O board and close the latch.
  6. Adhere the tape that secures the I/O-board cable latch to the I/O board.
  7. Close the left-display hinge and align the screw holes on the left-display hinge with the screw holes on the palm-rest and keyboard assembly
  8. Replace the two screws (M2x4) that secure the left-display hinge to the palm-rest and keyboard assembly.

Next steps

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

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