Startupmenu
Tochangethestartupsettingsofyourcomputer,selecttheStartuptabfromtheThinkPadSetupmenu.
Attention:
•Afteryouchangethestartupsequence,ensurethatyouselectacorrectdeviceduringacopy,asave,ora
formatoperation.Otherwiseyourdatamightbeerasedoroverwritten.
•IfyouareusingtheBitLockerdriveencryption,donotchangethestartupsequence.BitLockerdrive
encryptionlocksthecomputerfromstartingoncedetectsthechangeofstartupsequence.
Tochangethestartupsequencetemporarilysothatthecomputerstartsfromadesireddrive,dothefollowing:
1.Turnoffthecomputer.
2.Turnonthecomputer.WhentheLenovologoisdisplayed,presstheF12key.
3.Selectthedevicethatyouwantthecomputertostartfrom.
Note:TheBootmenuwillbedisplayedifthecomputercannotstartfromanydevicesortheoperating
systemcannotbefound.
ThefollowingtableliststheStartupmenuitems.Defaultvaluesareinboldface.Themenuitemsmight
changewithoutnotice.Dependingonthemodel,thedefaultvaluemightvary.
Note:Someitemsaredisplayedonthemenuonlyifthecomputersupportsthecorrespondingfeatures.
Table4.Startupmenuitems
MenuitemValue
Comments
Boot
Selectthebootdevicewhenyou
pressthepowerbuttontoturnonthe
computer.
NetworkBoot
•USBCD
•USBFDD
•NVMe0
•ATAHDD0
•USBHDD
•PCILAN
Selectthebootdevicewhenthesystem
wakesfromLAN.IfWakeOnLANis
enabled,thenetworkadministratorcan
turnonallofthecomputersinaLAN
remotelybyuseofnetworkmanagement
software.
UEFI/LegacyBoot•Both(ifSecureBootisdisabled)
–UEFI/LegacyBootPriority
–UEFIFirst
–LegacyFirst
•UEFIOnly(ifSecureBootis
enabled)
•LegacyOnly
CSMSupport(forUEFIOnly)
•Y es
•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.Inthefollowing
Chapter6.Advancedconfiguration85