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Troubleshooting

This chapter describes the diagnostic tools and troubleshooting information that are available to help you solve problems that might occur in the server.

If you cannot diagnose and correct a problem by using the information in this chapter, see Start here and Getting help and technical assistance for more information.

  • Start here
    You can solve many problems without outside assistance by following the troubleshooting procedures in this documentation and on the World Wide Web.
  • Diagnostic tools
    The following tools are available to help you diagnose and solve hardware-related problems.
  • Call home (automated service request)
    Lenovo provides tools that can automatically collect and send data or call Support when an error is detected.
  • Error messages
    This section provides the list of error codes and messages for UEFI/POST, IMM2, and DSA that are generated when a problem is detected.
  • Troubleshooting by symptom
    Use the troubleshooting tables to find solutions to problems that have identifiable symptoms.
  • Solving power problems
    Use this information to solve power problems.
  • Solving Ethernet controller problems
    Use this information to solve the Ethernet controller problems.
  • Solving undetermined problems
    If Dynamic System Analysis (DSA) cannot diagnose the failure or if the server is inoperative, use the information in this section to solve the undetermined problems.
  • Problem determination tips
    Because of the variety of hardware and software combinations that can encounter, use the following information to assist you in problem determination. If possible, have this information available when requesting assistance from Lenovo.
  • Recovering the server firmware
    Use this information to recover the server firmware.
  • Automated boot recovery (ABR)
    Use this information for Automated boot recovery (ABR).
  • Nx-boot failure
    Use this information for Nx-boot failure.