User guide

2.Turnonthecomputer;then,then,whiletheThinkPadlogoisdisplayed,pressF12.
3.Selectthedeviceyouwanttostartrst.
Note:TheBootmenuwillbedisplayedwhenthesystemcannotbootfromanydevicesortheoperating
systemcannotbefound.
ThefollowingtableliststheStartupmenuitems.
Notes:
•Defaultvaluesareinboldface.
•Oneachsubmenu,presstheEnterkeytoshowselectableoptionsandselectadesiredoptionbyusing
thecursorkeys.
•Someitemsaredisplayedonthemenuonlyifthecomputersupportsthecorrespondingfeatures.
Table7.Startupmenuitems
Menuitem
SelectionComments
Boot
Referto“Changingthestartup
sequence”onpage120.
NetworkBoot
Selectthebootdevicewhenthe
systemwakesfromLAN.IfWake
OnLANisenabled,thenetwork
administratorcanturnonallofthe
computersinaLANremotelybyuse
ofnetworkmanagementsoftware.
UEFI/LegacyBoot
•Both
•UEFIOnly
•LegacyOnly
Selectsystembootcapability.
•Both:Thesystemwillboot
followingtheUEFI/LegacyBoot
Prioritysetting.
•UEFIOnly:Thesystemwillboot
fromtheUEFIenabledoperating
system.
•LegacyOnly:Thesystemwillboot
fromanyoperatingsystemother
thantheUEFIenabledone.
Note:IfyouselectUEFIOnly,
systemcannotbootfromthe
bootabledeviceswhichdonothave
UEFIenabledoperatingsystem.
UEFI/LegacyBootPriority
•UEFIFirst
•LegacyFirst
Selectspriorityofthebootoption
betweenUEFIandLegacy.
BootMode
•Quick
•Diagnostics
Note:Youalsocanenterthe
DiagnosticmodebypressingEsc
duringthePOST
ScreenduringPOST:
•Quick:TheThinkPadLogoscreen
isdisplayed.
•Diagnostics:Textmessagesare
displayed.
OptionKeyDisplay
•Disabled
•Enabled
IfyouselectDisabled,themessage
“Tointerruptnormalstartup,press
Enter”isnotdisplayedduringthe
POST.
Chapter8.Advancedconguration121