Secure Boot Screen Options - Dell Vostro 15-7570 Owner's Manual

Option Description
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CPU XD Support Allows you to enable the Execute Disable mode of the processor.
Enable CPU XD Support (default)
OROM Keyboard Allows you to set an option to enter the Option ROM Configuration screens using hotkeys during boot. The options
Access are:
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Default setting: Enable
Admin Setup Allows you to prevent users from entering Setup when an Administrator password is set.
Lockout
Default Setting: Disabled
Master password This option is not selected by default
lockout

Secure Boot screen options

Option Description
Secure Boot Enable This option enables or disables the Secure Boot feature.
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Default setting: Enabled.
Expert Key Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable Custom
Management Mode option is disabled by default. The options are:
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If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The options are:
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72 System setup
Disable
Activate (selected by default)
NOTE: The Activate and Disable options will permanently activate or disable the feature and no further
changes will be allowed
Enable
One Time Enable
Disable
Disabled
Enabled
PK—enabled by default
KEK
db
dbx
Save to File—Saves the key to a user-selected file
Replace from File—Replaces the current key with a key from a user-selected file
Append from File—Adds a key to the current database from a user-selected file
Delete—Deletes the selected key
Reset All Keys—Resets to default setting
Delete All Keys—Deletes all the keys