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Dell G3 15 3500 Service Manual

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Removing the system board

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the base cover.
  3. Remove the memory module.
  4. Remove the WLAN card.
  5. Remove the solid-state drive in M.2 slot one.
  6. Remove the solid-state drive in M.2 slot two.
  7. Remove the battery.
  8. Remove the coin-cell battery.
  9. Remove the left fan.
  10. Remove the right fan.
  11. Remove the heat sink.
  12. Remove the power-adapter port.

About this task

The following image indicates the location of the system board and provides a visual representation of the removal procedure.
NOTE

The I/O board connector is located underneath the system board. Turn the system board over, and disconnect the I/O board cable from the system board.

Image: Removing the system board

Image: Removing the system board

Steps

  1. Open the latch, and disconnect the display cable from the system board.
  2. Open the latch, and disconnect the keyboard-backlight cable (optional) from the system board.
  3. Open the latch, and disconnect the fingerprint-reader cable (optional) from the system board.
  4. Open the latch, and disconnect the touchpad cable from the system board.
  5. Open the latch, and disconnect the battery cable from the system board.
  6. Open the latch, and disconnect the keyboard-backlight cable (optional) from the system board.
  7. Open the latch, and disconnect the keyboard cable from the system board.
  8. Remove the two (M2x3) screws that secure the USB Type-C bracket to the system board.
  9. Lift the USB Type-C bracket off the system board.
    NOTE When replacing the system board, the USB Type-C bracket has to be removed from the existing system board, and transferred to the replacement system board.
  10. Disconnect the speaker cable from the system board.
  11. Remove the two (M2x2) screws that secure the system board to the palm-rest and keyboard assembly.
  12. Turn the system board over, and disconnect the I/O board cable from the system board.

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