Operation Manual

Tochangethestartupsequencetemporarilysothatthesystemstartsupfromadifferentdrive,dothe
following:
1.Turnoffthecomputer.
2.Turnonthecomputer;then,whiletheThinkPadlogoisdisplayed,pressF12.
3.Selectthedeviceyouwanttostartrst.
Note:TheBootmenuwillbedisplayedwhenthesystemcannotbootfromanydevicesortheoperating
systemcannotbefound.
ThefollowingtableliststheStartupmenuitems.
Notes:
Defaultvaluesareinboldface.
Oneachsubmenu,presstheEnterkeytoshowselectableoptionsandselectadesiredoption.
Someitemsaredisplayedonthemenuonlyifthecomputersupportsthecorrespondingfeatures.
Table7.Startupmenuitems
MenuitemValue
Comments
Boot
See“Changingthestartupsequence”on
page119
.
NetworkBoot
Selectthebootdevicewhenthesystem
wakesfromLAN.IfWakeOnLANis
enabled,thenetworkadministratorcan
turnonallofthecomputersinaLAN
remotelybyuseofnetworkmanagement
software.
UEFI/LegacyBoot
Both
UEFIOnly
LegacyOnly
Selectsystembootcapability.
Both:Thesystemwillbootfollowing
theUEFI/LegacyBootPriority
setting.
UEFIOnly:Thesystemwillbootfrom
theUEFIenabledoperatingsystem.
LegacyOnly:Thesystemwillboot
fromanyoperatingsystemotherthan
theUEFIenabledone.
Note:IfyouselectUEFIOnly,the
systemcannotbootfromthebootable
devicesthatdonothavetheUEFI
enabledoperatingsystem.
UEFI/LegacyBootPriority
UEFIFirst
LegacyFirst
Selectpriorityofbootoptionsbetween
UEFIandLegacy.
BootMode
Quick
Diagnostics
ScreenduringthePOST:
Quick:TheThinkPadLogoscreenis
displayed.
Diagnostics:Textmessagesare
displayed.
Note:YoualsocanenterDiagnostic
modebypressingEscduringthePOST.
120UserGuide