Table9.Securitymenuitems(continued)
activationto“Permanently
Disabled”,youwillbe
unabletoenablethis
settingagain.

Startupmenuitems

Table10.Startupmenuitems
MenuitemSelectionComments
BootReferto“Startupmenu”onpage179.
NetworkBootReferto“Startupmenu”onpage179.
UEFI/LegacyBoot•Both
•UEFIOnly
•LegacyOnly
Selectsystembootcapability.
•Both:Systemwillbootby
followingUEFI/LegacyBoot
Prioritysetting.
•UEFIOnly:Systemwillbootfrom
UEFIenabledOS.
•LegacyOnly:Systemwillboot
fromanyOSotherthanUEFI
enabledOS.
Note:IfyouselectUEFIOnly,
systemcannotbootfromthe
bootabledeviceswhichdonothave
UEFIenabledOS.
UEFI/LegacyBootPriority•UEFIFirst
•LegacyFirst
Selectpriorityofbootoptionbetween
UEFIandLegacy.
BootMode•Quick
•Diagnostics
Note:Youcanalsoenterthe
“Diagnostic”modebypressingEsc
duringPOST.
ScreenduringPOST:
•Quick:ThinkPadLogoscreenis
displayed.
•Diagnostics:T extmessagesare
displayed.
OptionKeysdisplay(ThinkVantage
buttonmessage)
•Disabled
•Enabled
Ifyouselect“Disabled”,the“To
interruptnormalstartup,pressthe
blueThinkVantagebutton.”message
isnotdisplayedduringPOST.
BootDeviceListF12Option•Disabled
•Enabled
Ifyouselect“Enabled”,theF12key
isrecognizedandtheBootmenuis
displayed.
BootOrderLock•Disabled
•Enabled
Ifyouselect“Enabled”,theBoot
PriorityOrderislockedforyourfuture
use.
UpdatingyoursystemUEFIBIOS

TheUniedExtensibleFirmwareInterface(UEFI)BIOSisapartofthesystemprogramsthatmakeupthe

basiclayerofsoftwarebuiltintoyourcomputer.UEFIBIOStranslatestheinstructionsfromothersoftware

layers.

Yourcomputersystemboardhasamodulecalledelectricallyerasableprogrammableread-onlymemory

(EEPROM,alsoreferredtoasashmemory).Y oucanupdateUEFIBIOSandtheConguration/ThinkPad

Chapter8.Advancedconguration191