User guide

IfyouareusingtheBitLockerdriveencryption,donotchangethestartupsequence.BitLockerdrive
encryptionlocksthecomputerfromstartingoncedetectsthechangeofstartupsequence.
Tochangethestartupsequencetemporarilysothatthecomputerstartsfromadesireddrive,dothefollowing:
1.Turnoffthecomputer.
2.Turnonthecomputer.WhentheThinkPadlogoisdisplayed,pressF12.
3.Selectthedevicethatyouwantthecomputertostartfrom.
Note:TheBootmenuwillbedisplayedifthecomputercannotstartfromanydevices,ortheoperating
systemcannotbefound.
ThefollowingtableliststheStartupmenuitems.Defaultvaluesareinboldface.
Note:Someitemsaredisplayedonthemenuonlyifthecomputersupportsthecorrespondingfeatures.
Table6.Startupmenuitems
MenuitemValue
Comments
Boot
Selectthebootdevicewhenyou
pressthepowerbuttontoturnonthe
computer.
NetworkBoot
Selectthebootdevicewhenthesystem
wakesfromLAN.IfWakeOnLANis
enabled,thenetworkadministratorcan
turnonallofthecomputersinaLAN
remotelybyuseofnetworkmanagement
software.
UEFI/LegacyBoot
Both
UEFI/LegacyBootPriority
UEFIFirst
LegacyFirst
UEFIOnly
LegacyOnly
CSMSupport(forUEFIOnly)
Yes
No
Selectsystembootcapability.
Both:Selectpriorityofbootoptions
betweenUEFIandLegacy.
UEFIOnly:Thesystemwillbootfrom
theUEFIenabledoperatingsystem.
LegacyOnly:Thesystemwillboot
fromanyoperatingsystemotherthan
theUEFIenabledone.
Note:IfyouselectUEFIOnly,the
systemcannotbootfromthebootable
devicesthatdonothavetheUEFI
enabledoperatingsystem.
CompatibilitySupportModule(CSM)is
requiredforbootingthelegacyoperating
system.IfyouselectUEFIOnly,CSM
Supportisselectable.ForBothor
LegacyOnlymood,CSMSupportis
notselectable.
112UserGuide