Dell PowerEdge T550 Installation and Service Manual

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Removing the system board

Prerequisites

CAUTION:If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted to create a recovery key during program or System Setup. Be sure to create and safely store this recovery key. If you replace this system board, you must supply the recovery key when you restart your system or program before you can access the encrypted data on your hard drives.
CAUTION:Do not attempt to remove the TPM plug-in module from the system board. Once the TPM plug-in module is installed, it is cryptographically bound to that specific system board. Any attempt to remove an installed TPM plug-in module breaks the cryptographic binding, and it cannot be reinstalled or installed on another system board.
  1. Follow the safety guidelines listed in Safety instructions.
  2. Follow the procedure that is listed in Before working inside your system.
  3. Remove the following:
    1. Air shroud
    2. Cooling fan cage
    3. Expansion cards, if installed
    4. GPU card, if installed
    5. GPU card holder, if installed
    6. IDSDM module, if installed
    7. Internal USB module, if installed
    8. OCP card, if installed
    9. Memory modules
    10. Processors and heat sink modules
    11. Trusted Platform Module (TPM)
      CAUTION:To prevent damage to the processor pins when replacing a faulty system board, ensure that you cover the processor socket with the processor protective cap.

Steps

  1. Disconnect all cables from the system board.
    CAUTION:Take care not to damage the system identification button while removing the system board from the chassis.
    CAUTION: Do not lift the system board by holding a memory module, processor, or other components.
  2. Using the system board holder and plunger, slide the system board towards the front of the system.
  3. Lift the system board out of the chassis.
    Figure 1. Removing the system board
    This image shows removing the system board

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