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Dell Lifecycle Controller Graphical User Interface Version 2.05.05.05 For 13th Generation Dell PowerEdge Servers User's Guide

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Choosing the system boot mode

System Setup enables you to specify the boot mode for installing your operating system:
  • BIOS boot mode (the default) is the standard BIOS-level boot interface.
  • UEFI boot mode is an enhanced 64-bit boot interface based on Unified Extensible Firmware Interface (UEFI) specifications that overlays the system BIOS.

To choose the system Boot Mode:

  1. In System Setup click Boot Settings and select Boot Mode.
  2. Select the Boot Mode you want the system to boot into.
  • NOTE: After the system boots in the specified boot mode, proceed to install your operating system from that mode.
  • CAUTION: Trying to boot the operating system from the other boot mode will cause the system to halt at startup.
  • NOTE: Operating systems must be UEFI-compatible to be installed from the UEFI boot mode. DOS and 32-bit operating systems do not support UEFI and can only be installed from the BIOS boot mode.
  • NOTE: For the latest information on supported operating systems, go to dell.com/ossupport .

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