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Power on and power off problems

See this section to resolve issues when powering on or powering off the server.

Embedded hypervisor is not in the boot list​

Complete the following steps until the problem is resolved:

  1. Make sure that the optional embedded hypervisor flash device is selected on the boot manager <F12> Select Boot Device at startup.

  2. Make sure that the embedded hypervisor flash device is seated in the connector correctly.

  3. See the documentation that comes with the optional embedded hypervisor flash device to validate that the device is configured correctly.

  4. Make sure that other software works on the server.

Server does not power on​

Note
The power-control button will not function until approximately 5 to 10 seconds after the server has been connected to power.
  1. If an extra optional device has been just installed, remove it and power on the server again. If the server is powered on this time, it indicates adding this optional device takes more than the system power could afford.
  2. Check the power button LED:
    • If the power button LED is lit, check the system event log.
      • If there is readable system event log without uefi errors, replace the system board (see System board replacement (trained technician only)).
      • In the following cases, call Lenovo Service.
        • There is readable system event log with uefi errors.
        • There is no readable system event log.
    • If the power button LED is not lit:
      1. Disconnect and reconnect the power cable.
      2. Make sure the power supplies are of the same type (the system-error LED would be lit if power supply units do not match), and reseat all the units.
      3. Check if any power supply error LED it lit (see Power supply LEDs), and replace the faulty unit if any is found.
      If the problem persists, call Lenovo service.
The following steps are for Lenovo Service only.
  1. If there is readable system event log with uefi errors, replace the Root of Trust Module (see Firmware and Root of Trust/TPM 2.0 Security Module replacement (trained technician only)).
  2. If there is no readable system event log, but the power button LED is still lit, bring the following replacement units, run diagnostic isolation, and replace the faulty parts.
  3. If the power button LED is not lit, bring the following replacement units, run diagnostic isolation, and replace the faulty parts.

Server does not power off​

Complete the following steps until the problem is resolved:

  1. Determine whether you are using an Advanced Configuration and Power Interface (ACPI) or a non-ACPI operating system. If you are using a non-ACPI operating system, complete the following steps:

    1. Press Ctrl+Alt+Delete.

    2. Turn off the server by pressing the power-control button and holding it down for 5 seconds.

    3. Restart the server.

    4. If the server fails POST and the power-control button does not work, disconnect the power cord for 20 seconds; then, reconnect the power cord and restart the server.

  2. If the problem remains or if you are using an ACPI-aware operating system, suspect the system board.

Unexpected shutdown with LED not lit​

Complete the following steps until the problem is resolved:

  1. Check the XCC event log, and resolve related errors if found any.

  2. Reseat power supply.

  3. If the error recurs, replace power supply.