User guide

•Afteryouchangethestartupsequence,ensurethatyouselectacorrectdeviceduringacopy,asave,ora
formatoperation.Otherwiseyourdatamightbeerasedoroverwritten.
•IfyouareusingtheBitLockerdriveencryption,donotchangethestartupsequence.BitLockerdrive
encryptionlocksthecomputerfromstartingoncedetectsthechangeofstartupsequence.
Tochangethestartupsequencetemporarilysothatthecomputerstartsfromadesireddrive,dothefollowing:
1.Restartthecomputer.WhentheThinkPadlogoisdisplayed,presstheF12key.
2.Selectthedevicethatyouwantthecomputertostartfrom.
Note:TheBootmenuwillbedisplayedifthecomputercannotstartfromanydevicesortheoperating
systemcannotbefound.
ThefollowingtableliststheStartupmenuitems.Defaultvaluesareinboldface.
Note:Someitemsaredisplayedonthemenuonlyifthecomputersupportsthecorrespondingfeatures.
Table6.Startupmenuitems
Menuitem
SelectionComments
Boot
Selectthebootdevicewhenyou
pressthepowerbuttontoturnonthe
computer.
NetworkBoot
Selectthebootdevicewhenthe
computerwakesfromLAN.IfWake
OnLANisenabled,anetwork
administratorcanturnonallofthe
computersinaLANremotelybyuse
ofnetworkmanagementsoftware.
UEFI/LegacyBoot
•Both
–UEFI/LegacyBootPriority
–UEFIFirst
–LegacyFirst
•UEFIOnly
•LegacyOnly
CSMSupport(forUEFIOnly)
•Yes
•No
Selectsystembootcapability.
•Both:Selectpriorityofboot
optionsbetweenUEFIandLegacy.
•UEFIOnly:Thecomputerwillstart
fromtheUEFI-enabledoperating
system.
•LegacyOnly:Thecomputerwill
bootfromanyoperatingsystem
otherthantheUEFI-enabledone.
Note:IfyouselectUEFIOnly,the
computercannotstartfromthe
bootabledevicesthatdonothavethe
UEFI-enabledoperatingsystem.
CompatibilitySupportModule(CSM)
isrequiredforstartingthelegacy
operatingsystem.IfyouselectUEFI
Only,CSMSupportisselectable.
ForBothorLegacyOnlymode,CSM
Supportisnotselectable.
Chapter8.Advancedconguration117