Table3.Securitymenuitems(continued)
MenuitemSubmenuitemSelectionComments
SecureBoot•Disabled
•Enabled
EnablesordisablestheUEFIsecure
bootfeatur e.
Enableordisablethisfunctionto
forbidorallowanunauthorized
operatingsystemtorunatboot
time.
Note:ToenabeSecureBoot,you
needtosetthestartupsettingas
UEFIOnlyandsetCSMSupport
asNo.
PlatformModeUserModeThisindicatesthattheplatformis
operatinginsetupmodeoruser
mode.
ResettoManufacturing
Default
EnterResetsecurebootvariablestothe
manufacturingdefault
SecureBoot
CertNamesWin8Certicate
Startupmenu
Tochangethecomputerstartupsettings,selectStartupfromtheThinkPadSetupmainmenu.
Attention:
•Afteryouchangethestartupsequence,youmustbee xtremelycarefulnottospecifyawrongdevice
duringacopy,save,orformatoperation.Ifyouspecifyawrongdevice,yourdataandprogramsmightbe
erasedoroverwritten.
•IfyouareusingtheBitLockerdriveencryption,youshouldnotchangethestartupsequence.BitLocker
driveencryptiondetectsthechangeofstartupsequenceandlocksthecomput erfr ombooting.
Changingthestartupsequence
Tochangethestartupsequence,dothefollowing:
1.SelectBootorNetwork,thenpressEnter.Thedefaultbootlistisdisplayed,showingtheorderinwhich
deviceswillbestartedup.Evendevicesthatarenotattachedtoorinstalledonyourcomputerarelisted.
•UsetheBootsubmenutospecifythestartupsequencethatrunswhenyouturnonthepower.
•UsetheNetworksubmenutospecifythestartupsequencethatrunswhenWakeonLANisenabled.
WakeonLANiscommonlyusedbyLANadministratorsincorporatenetworkstogetr emoteaccess
toyourcomputer.
2.Setthestartupsequencebyusingthefollowingkeys:
•Usecursorkeystoselectadevice.
•UseF6orthecombinationofShiftand+tomovethedeviceuptoahigherpriority .
•UseF5or–tomovethedevicedowntoalowerpriority.
3.PressFn+F10tosavethechangesandrestartthesystem.
Tochangethestartupsequencetemporarilysothatthesystemstartsupfromadifferentdrive,dothe
following:
1.Turnoffthecomputer.
Chapter7.Advancedconguration75