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Remove the system board

Use this information to remove the system board.

About this task

disconnect all power
The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.
  • Read Installation guidelines to ensure that you work safely.

  • Power off the server and disconnect all power cords for this task.

  • Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-sensitive components in their static-protective packages until installation, and handling these devices with an electrostatic-discharge wrist strap or other grounding system.

  • If the server is in a rack, remove it from the rack.

  • If foot stands are installed on the server, rotate them inwards and lay the server on its side for easier operation.


  1. Make preparations for this task.
    1. Record all system configuration information, such as Lenovo XClarity Controller IP addresses, vital product data, and the machine type, model number, serial number, Universally Unique Identifier, and asset tag of the server.
    2. Save the system configuration to an external device with Lenovo XClarity Essentials.
    3. Save the system event log to external media.
    4. Remove the server cover. See Remove the server cover.
    5. Remove all the flash power modules. See Remove a flash power module.
    6. Remove the air baffle. See Remove the air baffle.
    7. Remove all the PCIe adapters. See Remove a PCIe adapter.
    8. Remove all the full-length GPU adapters. See Remove a full-length GPU adapter.
    9. Remove all the fans. See Remove a hot-swap fan.
    10. Remove the fan cage. See Remove the fan cage assembly.
    11. Remove the intrusion switch. See Remove the intrusion switch.
    12. Remove the CMOS battery. See Remove the CMOS battery (CR2032).
    13. Label the slot number on each memory module, then remove all the memory modules from the system board and set them aside on a static-protective surface for reinstallation. See Remove a memory module.
    14. Remove the processor and the heat sink. See Remove a processor and heat sink.
    15. Make note of where the cables are connected to the system board; then, disconnect all the cables.
      Disengage all latches, cable clips, release tabs, or locks on cable connectors beforehand. Failing to release them before removing the cables will damage the cable connectors on the system board. Any damage to the cable connectors may require replacing the system board.
  2. Remove the nine screws that secure the system board.
    Figure 1. System board screws removal
    System board screws removal
  3. Move the system board towards the front of the server. Ensure that the rear connectors on the system board are disengaged from the corresponding holes in the rear panel.
    Figure 2. Disengaging the system board from chassis
    Disengaging the system board from chassis
  4. Grasp the plungers and remove the system board in the direction as shown.
    Figure 3. System board removal
    System board removal
  5. Place the old system board on a clean, flat, and static-protective surface.

After you finish

  • Install a system board. See Install the system board.

  • If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

Before you return the system board, make sure that you install the processor socket dust covers from the new system board. To replace a processor socket dust cover:
  1. Take a dust cover from the processor socket assembly on the new system board and orient it correctly above the processor socket assembly on the removed system board.

  2. Gently press down the dust cover legs to the processor socket assembly, pressing on the edges to avoid damage to the socket pins. You might hear a click on the dust cover is securely attached.

  3. Make sure that the dust cover is securely attached to the processor socket assembly.

Demo video

Watch the procedure on YouTube