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Inspiron 3880 Service Manual

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Installing the system board

Prerequisites

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

About this task

NOTE: For computers shipped with 10th Generation Intel Core i5-10400F and 10th Generation Intel Core i7-10700F processors a VGA-connector cover is installed over the VGA connector and must be installed after the VGA-connector board has been installed.
NOTE:If either the processor or the fan and heat-sink assembly is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.

The following image(s) indicate the location of the system board and provides a visual representation of the installation procedure.

Installing the system board

Installing the system board

Installing the system board

Steps

  1. Slide the back I/O-ports on the system board into the front I/O-slots on the chassis and align the screw holes on the system board with the screw holes on the chassis.
  2. Replace the M.2 card-mounting screw (6-32) that secures the system board to the chassis.
    NOTE:Depending on the M.2 card you install in your computer, the location where you replace the M.2 card-mounting screw will differ.
  3. Replace the eight screws (6-32) that secure the system board to the chassis.
  4. Connect the following cables to the system board.
    • power-supply cables
    • hard-drive cable
    • power-button cable
  5. Close the I/O-cover door.
  6. Replace the screw (6-32) that secures the I/O-cover door to the chassis.
  7. Place the VGA-connector cover over the VGA connector. (if applicable)
  8. Tighten the two captive screws that secure the VGA-connector cover to the VGA connector. (if applicable)

Next steps

  1. Install the processor.
  2. Install the fan and heat-sink assembly.
  3. Install the media-card reader.
  4. Install the graphics card.
  5. Install the hard drive.
  6. Install the wireless card.
  7. Install the solid-state drive/Intel Optane.
  8. Install the fan shroud.
  9. Install the front cover.
  10. Install the left-side cover.
  11. Follow the procedure in After working inside your computer.

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