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XPS 13 9300 Service Manual

PDF

Removing the system board

Prerequisites

  1. Follow the procedure in Before working inside your computer.
    NOTE Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
    NOTE Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board.
    NOTE Before disconnecting the cables from the system board, note the location of the connectors so that you can reconnect the cables correctly after you replace the system board.
  2. Remove the base cover.
  3. Remove the battery.
  4. Remove the fans.
  5. Remove the heat sink.
    NOTE The system board can be removed or installed together with the heat sink attached. This simplifies the procedure and avoids breaking the thermal bond between the system board and the heat sink.
  6. Remove the solid-state drive.
  7. Remove the display assembly.

About this task

The following image indicates the connectors on your system board.
Figure 1. System-board connectors
Image: System board connectors
  1. Power-button cable
  2. Touchpad cable
  3. Right speaker cable
  4. Keyboard cable
  5. Left speaker cable

The following images indicate the location of the system board and provide a visual representation of the removal procedure.

Image: Removing the antenna cables

Image: Disconnecting the cables and removing the system board

Steps

  1. Loosen the captive screw that secures the wireless-card bracket to the system board.
  2. Lift the wireless-card bracket off the system board.
  3. Using a plastic scribe, disconnect the antenna cables from the wireless card.
  4. Note the routing of the left and the right antenna cables.
  5. Starting from the wireless card, remove each antenna cable from the routing guides, toward their respective antennas.
  6. Open the latch, and disconnect the power-button and fingerprint reader cable from the system board.
  7. Disconnect the right speaker cable from the system board.
  8. Open the latch, and disconnect the keyboard cable from the system board.
  9. Open the latch, and disconnect the touchpad cable from the system board.
  10. Disconnect the left speaker cable from the system board.
  11. Remove the four screws (M1.6x1.5) that secure the system board to the palm-rest and keyboard assembly.
  12. Remove the three screws (M1.2x2) that secure the system board to the palm-rest and keyboard assembly.
  13. Remove the four screws (M1.4x4) that secure the system board to the palm-rest and keyboard assembly.
  14. Lift the system board off the palm-rest and keyboard assembly.

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