User's Manual

Table Of Contents
Table5.Startupmenuitems(continued)
Menuitem
SelectionComments
BootDeviceListF12Option
Disabled
Enabled
IfyouselectEnabled,theF12key
isrecognizedandtheBootMenu
windowisdisplayed.
BootOrderLock
Disabled
Enabled
IfyouselectDisabled,yourcomputer
willbootusingthedefaultpriority.If
youselectEnabled,yourcomputer
willbootusingthepriorityyouhave
customized.
Restartmenu
ToexittheThinkPadSetupprogramandrestartthecomputer,selectRestartfromtheThinkPadSetupmenu.
Thefollowingsubmenuitemsaredisplayed:
ExitSavingChanges:Savethechangesandrestartthecomputer.
ExitDiscardingChanges:Discardthechangesandrestartthecomputer.
LoadSetupDefaults:Restoretothefactorydefaultsettings.
Note:EnableOSOptimizedDefaultstomeettheWindows8.1certificationrequirements.Whenyou
changethissetting,someothersettingsarechangedautomatically,suchasCSMSupport,UEFI/Legacy
Boot,SecureBoot,andSecureRollBackPrevention.
DiscardChanges:Discardthechanges.
SaveChanges:Savethechanges.
UpdatingyoursystemUEFIBIOS
TheUEFIBIOSisthefirstprogramthatthecomputerrunswhenthecomputeristurnedon.TheUEFIBIOS
initializesthehardwarecomponents,andloadstheoperatingsystemandotherprograms.
YoucanupdatetheUEFIBIOSbystartingyourcomputerfromaflashupdateopticaldiscoraflashupdate
programrunningintheWindowsenvironment.Whenyouinstallanewprogram,adevicedriver,orhardware,
youmightbeinformedtoupdatetheUEFIBIOS.
ForinstructionsonhowtoupdatetheUEFIBIOS,goto:
http://www.lenovo.com/ThinkPadDrivers
68UserGuide