HP EliteDesk 800 G6 Maintenance and Service Guide - Page 92

Computer Setup-Advanced for advanced users continued, Table 6-3

Page 92 highlights

Table 6-3 Computer Setup-Advanced (for advanced users) (continued) Option Heading UEFI boot sources always have precedence over legacy boot sources. ● Legacy Boot Order Specify the order in which legacy boot sources (such as a network interface card, internal hard drive, USB optical drive, or internal optical drive) are checked for a bootable operating system image. Specify the order of attached hard drives. The first hard drive in the order will have priority in the boot sequence and will be recognized as drive C (if any devices are attached). NOTE: To drag a device to a preferred place, press enter. NOTE: MS-DOS drive lettering assignments might not apply after a non-MS-DOS operating system has started. Shortcut to Temporarily Override Boot Order To boot one time from a device other than the default device specified in Boot Order, restart the computer and press esc (to access the Startup menu) and then f9 (Boot Menu), or only f9 (skipping the Startup menu) when the power button light turns white. After POST is completed, a list of bootable devices is displayed. Use the arrow keys to select the preferred bootable device and press enter. The computer then boots from the selected non-default device for this one time. Secure Boot Configuration Configure Legacy Support and Secure Boot Lets you turn off all legacy support on the computer, including booting to DOS, running legacy graphics cards, booting to legacy devices, and so on. Lets you be sure that an operating system is legitimate before booting to it, making Windows resistant to malicious modification from preboot to full operating system booting, preventing firmware attacks. UEFI and Windows Secure Boot only allow code signed by preapproved digital certificates to run during the firmware and OS boot process. ● Legacy Support Enable and Secure Boot Disable ● Legacy Support Disable and Secure Boot Enable ● Legacy Support Disable and Secure Boot Disable Default is Legacy Support Disable and Secure Boot Disable. Secure Boot Key Management Lets you manage the custom key settings. Import Custom Secure Boot keys Default is disabled. Clear Secure Boot Keys Lets you delete any previously loaded custom boot keys. Clearing keys will disable secure boot. Default is disabled. Reset Secure Boot keys to factory defaults Default is disabled. Enable MS UEFI CA key Disabling this setting alters the Secure Boot key list to further restrict the allowed software components. Set this option to disable to support Device Guard. Ready BIOS for Device Guard Use Requires BIOS Administrator password to be configured and Secure Boot to be enabled. System Options Configure storage controller for Intel Optane 82 Chapter 6 Computer Setup (F10) Utility

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Table 6-3
Computer Setup—Advanced (for advanced users) (continued)
Option
Heading
UEFI boot sources always have precedence over legacy boot sources.
Legacy Boot Order
Specify the order in which legacy boot sources (such as a network interface card, internal hard drive,
USB optical drive, or internal optical drive) are checked for a bootable operating system image.
Specify the order of attached hard drives. The
first
hard drive in the order will have priority in the
boot sequence and will be recognized as drive C (if any devices are attached).
NOTE:
To drag a device to a preferred place, press
enter
.
NOTE:
MS-DOS drive lettering assignments might not apply after a non-MS-DOS operating system has
started.
Shortcut to Temporarily Override Boot Order
To boot
one time
from a device other than the default device
specified
in Boot Order, restart the computer
and press
esc
(to access the Startup menu) and then
f9
(Boot Menu), or only
f9
(skipping the Startup
menu) when the power button light turns white. After POST is completed, a list of bootable devices is
displayed. Use the arrow keys to select the preferred bootable device and press
enter
. The computer then
boots from the selected non-default device for this one time.
Secure Boot
Configuration
Configure
Legacy Support and Secure Boot
Lets you turn
off
all legacy support on the computer, including booting to DOS, running legacy graphics
cards, booting to legacy devices, and so on.
Lets you be sure that an operating system is legitimate before booting to it, making Windows resistant to
malicious
modification
from preboot to full operating system booting, preventing
firmware
attacks. UEFI
and Windows Secure Boot only allow code signed by preapproved digital
certificates
to run during the
firmware
and OS boot process.
Legacy Support Enable and Secure Boot Disable
Legacy Support Disable and Secure Boot Enable
Legacy Support Disable and Secure Boot Disable
Default is Legacy Support Disable and Secure Boot Disable.
Secure Boot Key Management
Lets you manage the custom key settings.
Import Custom Secure Boot keys
Default is disabled.
Clear Secure Boot Keys
Lets you delete any previously loaded custom boot keys. Clearing keys will disable secure boot. Default is
disabled.
Reset Secure Boot keys to factory defaults
Default is disabled.
Enable MS UEFI CA key
Disabling this setting alters the Secure Boot key list to further restrict the allowed software components.
Set this option to disable to support Device Guard.
Ready BIOS for Device Guard Use
Requires BIOS Administrator password to be
configured
and Secure Boot to be enabled.
System Options
Configure
storage controller for Intel Optane
82
Chapter 6
Computer Setup (F10) Utility