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Dell G5 SE 5505 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 procedure.

About this task

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

The I/O board connector is located underneath the system board. Turn the system board over and connect the I/O board cable to the system board.

Image: Installing the system boardImage: Installing the system board

Steps

  1. Connect the I/O board cable to the system board.
  2. Turn the system board to the front and align and place the system board on the palm-rest and keyboard assembly.
  3. Replace the two (M2x2) screws that secure the system board to the palm-rest and keyboard assembly.
  4. Connect the speaker cable to the system board.
  5. Remove the two (M2x3) screws that secure the USB Type-C bracket to the system board.
  6. 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.
  7. Connect the touchpad cable to the system board, and close the latch.
  8. Connect the keyboard-backlight cable to the system board, and close the latch.
  9. Connect the keyboard cable to the system board, and close the latch.
  10. Connect the power-button cable to the system board, and close the latch.

Next steps

  1. Install the power-adapter port.
  2. Install the right fan.
  3. Install the left fan.
  4. Install the wireless card.
  5. Install the memory modules.
  6. Install the battery.
  7. Install the base cover.
  8. Follow the procedure in After working inside your computer.

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