Table 6. Startup menu items

Menu item

Value

Comments

 

 

 

 

 

Boot

 

 

 

See “Changing the startup sequence” on

 

 

 

 

page 104.

 

 

 

 

 

Network Boot

 

 

 

Select the boot device when the system

 

 

 

 

wakes from LAN. If Wake on LAN is

 

 

 

 

enabled, the network administrator can

 

 

 

 

turn on all of the computers in a LAN

 

 

 

 

remotely by use of network management

 

 

 

 

software.

 

 

 

 

UEFI/Legacy Boot

Both

Select system boot capability.

 

 

UEFI/Legacy Boot Priority

Both: The system will boot following

 

 

UEFI First

the UEFI/Legacy Boot Priority

 

 

setting.

 

 

Legacy First

 

 

UEFI Only: The system will boot from

 

 

CSM Support (for UEFI Only)

 

 

the UEFI enabled operating system.

 

 

Yes

Legacy Only: The system will boot

 

 

No

from any operating system other than

 

UEFI Only

the UEFI enabled one.

 

 

 

Legacy Only

Note: If you select UEFI Only, the

 

 

 

 

system cannot boot from the bootable

 

 

 

 

devices that do not have the UEFI

 

 

 

 

enabled operating system.

 

 

 

 

Boot Mode

Quick

Screen during the POST:

 

Diagnostics

Quick: The ThinkPad Logo screen is

 

 

 

 

displayed.

 

 

 

 

Diagnostics: Text messages are

 

 

 

 

displayed.

 

 

 

 

Note: You also can enter Diagnostic

 

 

 

 

mode by pressing Esc during the POST.

 

 

 

 

Option Keys display

Disabled

If you select Disabled, the “To interrupt

 

Enabled

normal startup, press Enter.” message is

 

not displayed during the POST.

 

 

 

 

 

 

 

 

Boot Device List F12 Option

Disabled

If you select Enabled, the F12 key is

 

Enabled

recognized and the Boot Menu window

 

is displayed.

 

 

 

 

 

 

 

 

Boot Order Lock

Disabled

If you select Enabled, the boot priority

 

Enabled

order is locked for your future use.

 

 

 

 

 

 

 

Restart menu

If you need to close the ThinkPad Setup and restart the system, select Restart from the ThinkPad Setup menu. The following submenu is displayed:

Exit Saving Changes: Restart the system after saving the changes.

Exit Discarding Changes: Restart the system without saving the changes.

Load Setup Defaults: Load the default setting that was in effect at the time of purchase.

OS Optimized Defaults: Enable OS Optimized Defaults to meet the Microsoft Windows 8 certification requirements. When you change this setting, some other settings are changed automatically. The affected settings are CSM Support, UEFI/Legacy Boot, Secure Boot, and Secure RollBack Prevention.

Chapter 8. Advanced configuration 105

Page 121
Image 121
Lenovo 20AA000BUS, T431s, 20AA000MUS manual Restart menu, Network Boot

20AA, T431s, 20AA000MUS, 20AA000BUS specifications

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