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Dell Command | Configure Version 4.1.0 Command Line Interface Reference Guide

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--SecureBoot

Valid Argument Enabled
Description

Enables secure boot authentication. If enabled, BIOS should only perform Secure Boot authentication and boot in UEFI mode without loading Compatibility Support Module (CSM). BIOS refers to this setting to decide on the POST behavior.

  • NOTE: You cannot disable secure boot using the Dell Command | Configure user interface. One of the methods of disabling secureboot is from the BIOS setup screen.
Table 1. Secure Boot with UEFI mode and Legacy Option ROM . Following table describes some dependencies and conditions when enabling or disabling of secureboot is allowed or restricted.
 

UEFI mode — enable

legacyOrom — enable

UEFI mode — enable

legacyOrom — disable

UEFI mode — disable

legacyOrom — enable
When secureboot is enabled NOT Allowed Allowed NOT Allowed
When secureboot is disabled NOT Allowed Allowed NOT Allowed

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