Unknown issue

Symptom

The server is not functioning properly, but the specific cause is unknown.

Action
  1. To see if any statuses indicate the source of the issue, check the server LEDs.
  2. Power down and disconnect power to the server. Remove all power sources to the server.
  3. Be sure that no loose connections exist.
  4. Following the guidelines and cautionary information in the server documentation, reduce the server to the minimum hardware configuration. Remove all cards or devices that are not necessary to power on the server.

    Before completing this step, review the guidelines for breaking down the server to the minimum hardware configuration. Keep the monitor connected to view the server power-on process.

  5. Reconnect power, and then power on the system.
    • If the video does not work, see the video issues troubleshooting topics in this document.
      CAUTION:

      Only authorized technicians trained by Hewlett Packard Enterprise should attempt to remove the system board. If you believe the system board requires replacement, contact Hewlett Packard Enterprise technical support before proceeding. For more information, see Accessing Hewlett Packard Enterprise Support.

      CAUTION:

      Before removing or replacing any processors, be sure to follow the guidelines in "Processor troubleshooting guidelines" in the troubleshooting guide for your product. Failure to follow the recommended guidelines can cause damage to the system board, requiring replacement of the system board.

    • If the system fails in this minimum configuration, one of the primary components has failed. If you have already verified that the processor, power supply, and memory are working before getting to this point, replace the system board. If not, be sure each of those components is working.
    • If the system boots and video is working, add each component back to the server one at a time. To determine if that component is the cause of the issue, restart the server after adding each component. When adding each component back to the server, be sure to disconnect power to the server and follow the guidelines and cautionary information in the server documentation.