Startup menu items

Table 10. Startup menu items

Menu item

Selection

Comments

 

 

 

 

Boot

 

 

Refer to “Startup menu” on page 204.

 

 

 

 

Network Boot

 

 

Refer to “Startup menu” on page 204.

 

 

 

 

UEFI/Legacy Boot

Both

Select system boot capability.

 

UEFI Only

Both: System will boot by

 

Legacy Only

following UEFI/Legacy Boot

 

Priority setting.

 

 

 

 

 

 

UEFI Only: System will boot from

 

 

 

UEFI enabled OS.

 

 

 

Legacy Only: System will boot

 

 

 

from any OS other than UEFI

 

 

 

enabled OS.

 

 

 

Note: If you select “UEFI Only”,

 

 

 

system cannot boot from the

 

 

 

bootable devices which do not have

 

 

 

UEFI enabled OS.

 

 

 

 

UEFI/Legacy Boot Priority

UEFI First

Select priority of boot option between

 

Legacy First

UEFI and Legacy.

 

 

 

 

 

 

Boot Mode

Quick

Screen during POST:

 

Diagnostics

Quick: ThinkPad Logo screen is

 

Note: You can also enter the

displayed.

 

 

 

“Diagnostic” mode by pressing Esc

Diagnostics: Text messages are

 

during POST.

displayed.

 

 

 

 

Option Keys display (ThinkVantage

Disabled

If you select “Disabled”, the “To

button message)

Enabled

interrupt normal startup, press the

 

blue ThinkVantage button.” message

 

 

 

 

 

 

is not displayed during POST.

 

 

 

 

Boot Device List F12 Option

Disabled

If you select “Enabled”, the F12 key

 

Enabled

is recognized and the Boot Menu is

 

displayed.

 

 

 

 

 

 

 

Boot Order Lock

Disabled

If you select “Enabled”, the Boot

 

Enabled

Priority Order is locked for your future

 

use.

 

 

 

 

 

 

 

Updating your system UEFI BIOS

The Unified Extensible Firmware Interface (UEFI) BIOS is a part of the system programs that make up the basic layer of software built into your computer. UEFI BIOS translates the instructions from other software layers.

Your computer system board has a module called electrically erasable programmable read-only memory (EEPROM, also referred to as flash memory). You can update UEFI BIOS and the Configuration/ThinkPad Setup program by starting your computer with a flash update optical disc or flash update tool application running on the Windows environment.

In some instances when you add software, hardware, or a device driver, you may be informed that you need to update your UEFI BIOS in order for the new addition to work properly.

216User Guide

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Lenovo 4242X04, NVS-4200M, 42825BU, 42421A0 manual Updating your system Uefi Bios, Startup menu items

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