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Precision 3580 Owner's Manual

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Removing the system board

CAUTION:The information in this section is intended for authorized service technicians only.

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the SIM card.
  3. Remove the base cover.
  4. Remove the 4G WWAN card or 5G WWAN card, as applicable.
  5. Remove the WLAN card.
  6. Remove the memory modules.
  7. Remove the M.2 2230 or M.2 2280 solid-state drive from Slot 1, as applicable.
  8. Remove the M.2 2230 solid-state drive from Slot 2, if applicable.
  9. Remove the heat sink (discrete GPU) or heat sink (integrated GPU), as applicable.
  10. Remove the battery.
  11. Remove the assembly-inner frame.

About this task

The following images indicate the system board connectors.

Figure 1. Image: System board connectors. System board connectors
Image: System board connectors
  1. WWAN-card connector
  2. WLAN-card connector
  3. Sensor board-cable connector
  4. Memory modules
  5. Display-cable connector
  6. System-fan connector
  7. Solid-state drive Slot 1
  8. Touchpad-cable connector
  9. Battery-cable connector
  10. Solid-state drive Slot 2
  11. USH-cable connector
  12. Coin-cell battery cable connector
  13. Speaker-cable connector
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
Figure 2. Image: System board connectors. System board removal
Image: Removing the system board
Figure 3. Image: System board connectors
Image: Removing the system board
Figure 4. Image: System board connectors
Image: Removing the system board

Steps

  1. Remove the two screws (M2x3) that secure the display-cable bracket to the palm-rest assembly.
  2. Lift the display-cable bracket off the palm-rest assembly.
  3. Remove the three screws (M2x4) that secure the Type-C bracket to the palm-rest assembly.
  4. Lift the Type-C bracket off the palm-rest assembly.
  5. Lift the black flap near the antenna cables and uncover the sensor board-cable.
  6. Disconnect the sensor board-cable from the connector on the system board.
  7. Disconnect the display cable from the connector on the system board.
  8. Remove the display cable from the routing guides on the system board.
  9. Disconnect the fan cable from the connector on the system board.
  10. Open the latch and disconnect the touchpad cable from the connector on the system board.
  11. Open the latch and disconnect the USH cable from the USH module.
  12. Disconnect the coin-cell battery cable from the connector on the system board.
  13. Remove the three screws (M2x3) that secure the system board to the palm-rest assembly.
    CAUTION:Ensure to remove the SIM card tray and USB Type-C bracket to avoid any possible damage to the components.
  14. Lift the system board off the palm-rest assembly.

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