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 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.
• How to send DSA data
  You can use the Enhanced Customer Data Repository to send diagnostic data to IBM.
• Service bulletins
  IBM continually updates the support website with the latest tips and techniques that you can use to solve problem that you might have with the Lenovo System x3250 M4 server.
• Checkout procedure
  The checkout procedure is the sequence of tasks that you should follow to diagnose a problem in the server.
• Diagnostic tools
  The following tools are available to help you diagnose and solve hardware-related problems.
• Automated service request (call home)
  IBM provides tools that can automatically collect and send data or call IBM 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 IBM.
• Recovering the server firmware (UEFI update failure)
  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.