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OS installer cannot boot on a ThinkServer server

For ThinkServer servers, the Storage OpROM Policy on the ThinkServer Management Module must be set to UEFI Only for the OS installer image to boot correctly. If the policy is set to Legacy Only, the OS installer will not boot.

To modify the Storage OpROM Policy, complete the following steps.

  1. From the AMI Setup Utility, select the Boot Manager > Miscellaneous Boot Settings menu.

  2. Use the arrow keys to select the Storage OpROM Policy.

  3. Press + to change the value to UEFI Only.

  4. Press F10 to save the change.

For more information, see your ThinkServer documentation.