Table6.Startupmenuitems(continued)
MenuitemSelectionComments
•Diagnostics:Canperform
necessarytestingforcritical
devices.
Note:YoucanalsoenterDiagnostic
modebypressingEscduringPOST.
OptionKeyDisplay•Disabled
•Enabled
IfyouselectDisabled,thenthe
message“Tointerruptnormalstartup,
pressEnter”isnotdisplayedduring
thePOST .
BootDeviceListF12Option•Disabled
•Enabled
IfyouselectEnabled,theF12key
isrecognizedandtheBootMenu
windowisdisplayed.
BootOrderLock•Disabled
•Enabled
IfyouselectDisabled,yourcomputer
willbootusingthedefaultpriority.If
youselectEnabled,yourcomputer
willbootusingthepriorityyouhave
customized.
Restartmenu
IfyouneedtoclosetheThinkPadSetupprogramandrestartthesystem,selectRestartfromtheThinkPad
Setupprogrammainmenu.Thefollowingsubmenuisdisplayed:
•ExitSavingChanges:Restartthesystemaftersavingthechanges.
•ExitDiscardingChanges:Restartthesystemwithoutsavingthechanges.
•LoadSetupDefaults:Loadthedefaultsettingthatwasineffectatthetimeofpurchase.
EnableOSOptimizedDefaultstomeettheMicrosoftWindows8certicationrequirements.Whenyou
changethissetting,someothersettingsarechangedautomatically.TheaffectedsettingsareCSM
Support,UEFI/LegacyBoot,SecureBoot,andSecureRollBackPrevention.
•DiscardChanges:Discardthechanges.
•SaveChanges:Savethechanges.
UpdatingyoursystemUEFIBIOS
TheUniedExtensibleFirmwareInterface(UEFI)BIOSisapartofthesystemprogramsthatmakeupthe
basiclayerofsoftwarebuiltintoyourcomputer.TheUEFIBIOStranslatestheinstructionsfromother
softwarelayers.
YourcomputersystemboardhasamodulecalledEEPROM,alsoreferredtoasashmemory.Youcan
updatetheUEFIBIOSandtheThinkPadSetupprogrambystartingyourcomputerwithaashupdate
opticaldiscorashupdateprogramrunningintheWindowsenvironment.
Insomeinstanceswhenyouaddsoftware,hardware,oradevicedriver,youmightbeinformedthatyou
needtoupdateyourUEFIBIOSinorderforthenewadditiontoworkproperly.
ToupdateyourUEFIBIOS,gotothefollowingWebsiteandfollowtheinstructionsonthescreen:
http://www.lenovo.com/Drivers
Chapter7.Advancedconguration117