Dell Alienware Aurora R16 Owner's Manual page 105

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Table 21. System setup options—Security menu (continued)
Security
Secure Boot
Secure Boot Mode
Expert Key Management
Custom Mode
Enable Microsoft UEFI CA
PK
KEK
db
dbx
Reset all Keys
Delete all Keys
Table 22. System setup options—Boot menu 
Boot
Boot List Option
File Browser Add Boot Option
File Browser Del Boot Option
Boot Option Priorities
Boot Option #1
Boot Option #2
Boot Option #3
Table 23. System setup options—Exit menu 
Save & Exit
Save Changes and Reset
Discard Changes and Reset
Restore Defaults
Enables secure boot using only validated boot software.
Default: Disabled
Modifies the behavior of Secure Boot to allow evaluation
or enforcement of UEFI driver signatures. Deployed Mode
should be selected for normal operation of Secure Boot.
Default: Deployed Mode
Allows you to enable or disable Custom Mode. When
enabled, it allows the PK, KEK, db, and dbx security key
databases to be modified.
Default: Disabled
Allows you to enable or disable Microsoft UEFI CA.
Default: Enabled
Allows for selection of key database.
● Delete All Keys will delete the selected key.
● Reset All Keys will reset all four keys to their default
settings.
Displays the available boot devices.
Default: UEFI
Allows you to set the boot path in the boot option list.
Allows you to delete the boot path in the boot option list.
Displays the available boot devices.
Displays the first boot device.
Default: Windows Boot Manager.
Displays the second boot device.
Default: Onboard NIC (IPV4 PXE)
Displays the third boot device.
Default: Onboard NIC (IPV6 PXE)
Allows you to exit system setup and save your changes.
Allows you to exit system setup and load previous values for
all system setup options.
Allows you to load default values for all system setup
options.
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