1.SelectBoot;thenpressEnter .
YoucanusetheBootsubmenutospecifythestartupsequencethatrunswhenyouturnonthepower.
2.Selectthedeviceyouwanttostartrst.
3.PressFn+F10tosavethechangesandrestartthesystem.
Tochangethestartupsequencetemporarilysothatthesystemstartsupfromadifferentdrive,dothe
following:
1.Turnoffthecomputer.
2.Turnonthecomputer;then,whilethemessage“Tointerruptnormalstartup,pressEnter”isdisplayedin
thelowerleftcornerofthescreen,pressF12.
3.SelectthedeviceyouwanttostartrstfromtheBootmenu.
Note:TheBootmenuwillbedisplayedwhentheoperatingsystemisnotfoundorwhenthecomputer
cannotbootfromanydevices.
ThefollowingtableshowsthecontentsoftheStartupmenu.
Notes:
•Someitemsaredisplayedonthemenuonlyifthecomputersupportsthecorrespondingfeatures.
•Defaultvaluesareinboldface.
Table6.Startupmenuit ems
MenuitemSelectionComments
BootReferto“Changingthestartup
sequence”onpage111.
NetworkBoot
UEFI/LegacyBoot•Both
•UEFIOnly
•LegacyOnly
UEFI/LegacyBootPriority
•UEFIFirst
•LegacyFirst
CSMSupport(forUEFIOnly)
•No
•Yes
Selectsystembootcapability .
•Both:Thesystemwillboot
followingtheUEFI/LegacyBoot
Prioritysetting.
•UEFIOnly:Thesystemwillboot
fromtheUEFIenabledoperating
system.
•LegacyOnly:Thesystemwillboot
fromanyoperatingsystemother
thantheUEFIenabledone.
Note:IfyouselectUEFIOnly,
thesystemcannotbootfromthe
bootabledevicesthatdonothavethe
UEFIenabledoperatingsyst em.
CompatibilitySupportModule(CSM)
isrequiredforbootingthelegacy
operatingsystem.IfyouselectUEFI
Only,CSMSupportisselectable.
ForBothorLegacyOnlymood,CSM
Supportisnotselectable.
112UserGuide