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Inspiron 3020 Desktop Service Manual

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Removing the system board

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the left-side cover.
  3. Remove the front cover.
  4. Remove the memory.
  5. Remove the solid-state drive.
  6. Remove the hard drive.
  7. Remove the graphics card.
  8. Remove the wireless card.
  9. Remove the coin-cell battery.
  10. Remove the media-card reader.
  11. Remove the fan shroud.
  12. Remove the fan and heat-sink assembly.
  13. Remove the processor.

About this task

The following image indicates the slots and connectors on your system board.

system board callout

  1. processor-power cable connector
  2. processor socket
  3. processor-fan cable connector
  4. memory-module slots
  5. system-board power cable connector
  6. coin-cell battery socket
  7. power-button cable connector
  8. media-card reader cable connector
  9. hard-drive power cable connector
  10. optical-drive data cable connector (SATA 3)
  11. M.2 2230 wireless-card slot
  12. hard-drive data cable connector (SATA 1)
  13. hard-drive data cable connector (SATA 0, boot drive)
  14. M.2 2230/2280 solid-state drive slot
  15. PCIe x1 slot (SLOT 2)
  16. PCIe x16 slot (SLOT 3)

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

Removing the system board

Removing the system board

Steps

  1. Remove the two screws (6-32) that secure the front I/O-bracket to the chassis.
  2. Remove and lift the front I/O-bracket from the chassis.
  3. Disconnect all the cables that are connected to the system board.
    • processer-power cable
    • system-board power cable
    • optical-drive data cable
    • optical-drive power cable
  4. Remove the eight screws (6-32) that secure the system board to the chassis.
  5. Lift the system board at an angle and remove it from the chassis.

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