Dell XPS 13 9315 Service Manual page 42

Table 4. System setup options—Boot Configuration menu (continued)
Boot Configuration
Secure Boot
Enable Secure Boot
Secure Boot Mode
Enable Microsoft UEFI CA
Expert Key Management
Enable Custom Mode
Custom Mode Key Management
Table 5. System setup options—Integrated Devices menu
Integrated Devices
Date/Time
Date
Time
Camera
Enable Camera
Audio
42 System setup
Secure Boot is a method of guaranteeing the integrity of the boot path by
performing additional validation of the operating system and PCI add-in cards.
The computer stops booting to the operating system when a component is not
authenticated during the boot process.
Enables the computer to boot using only validated boot software.
By default, the Enable Secure Boot option is enabled.
For additional security, Dell Technologies recommends keeping the Secure Boot
option enabled to ensure that the UEFI firmware validates the operating system
during the boot process.
NOTE: For Secure Boot to be enabled, the computer is required to be in
UEFI boot mode and the Enable Legacy Option ROMs option is required to be
turned off.
Enables or disables the Secure Boot operation mode.
By default, the Deployed Mode is selected.
NOTE: Deployed Mode should be selected for normal operation of Secure
Boot.
When disabled, the UEFI CA is removed from the BIOS UEFI Secure Boot
database.
NOTE: When disabled, the Microsoft UEFI CA could render your computer
unable to boot, system graphics may not function, some devices may not
function properly, and the computer could become unrecoverable.
By default, the Enable Microsoft UEFI CA option is enabled.
For additional security, Dell Technologies recommends keeping the Microsoft
UEFI CA option enabled to ensure the broadest compatibility with devices and
operating systems.
Enables or disables the keys in the PK, KEK, db, and dbx security key databases
to be modified.
By default, the Enable Custom Mode option is disabled.
Selects the custom values for expert key management.
By default, the PK option is selected.
Sets the computer date in MM/DD/YYYY format. Changes to the date format
take effect immediately.
Sets the computer time in HH/MM/SS 24-hour format. You can switch between
12-hour and 24-hour clock. Changes to the time format take effect immediately.
Enables the camera.
By default, the Enable Camera option is enabled.
NOTE: Depending on the configuration ordered, the camera setup option
may not be available.