ThinkPad Edge E440 - BIOS Menus: Startup and Restart

Table5.Securitymenuitems(continued)
Menuitem
SubmenuitemSelectionComments
SecureBootMode•StandardMode
•CustomMode
Specifythesystem
operatingmode.
ResettoSetupMode
•Yes
•No
Thisoptionisusedtoclear
thecurrentplatformkey
andputthesysteminto
SetupMode.Youcan
installyourownplatform
keyandcustomizethe
SecureBootsignature
databasesinSetupMode.
SecureBootmodewillbe
settoCustomMode.
RestoreFactorykeys•Yes
•No
Thisoptionisusedto
restoreallkeysand
certificatesinSecure
Bootdatabasestofactory
defaults.Anycustomized
SecureBootsettings
willbeerased,andthe
defaultplatformkeywillbe
re-establishedalongwith
theoriginalsignature
databasesincluding
certificateforWindows
8orWindows8.1operating
system.
Startupmenu
Tochangethestartupsettingsofyourcomputer,selecttheStartuptabfromtheThinkPadSetupmenu.
Attention:
•Afteryouchangethestartupsequence,ensurethatyouselectacorrectdeviceduringacopy,asave,ora
formatoperation.Otherwiseyourdatamightbeerasedoroverwritten.
•IfyouareusingtheBitLockerdriveencryption,donotchangethestartupsequence.BitLockerdrive
encryptionlocksthecomputerfromstartingoncedetectsthechangeofstartupsequence.
Tochangethestartupsequencetemporarilysothatthecomputerstartsfromadesireddrive,dothefollowing:
1.Turnoffthecomputer.
2.Turnonthecomputer.WhentheThinkPadlogoisdisplayed,presstheF12key.
3.Selectthedevicethatyouwantthecomputertostartfrom.
Note:TheBootmenuwillbedisplayedifthecomputercannotstartfromanydevicesortheoperating
systemcannotbefound.
ThefollowingtableliststheStartupmenuitems.Defaultvaluesareinboldface.
Note:Someitemsaredisplayedonthemenuonlyifthecomputersupportsthecorrespondingfeatures.
Chapter8.Advancedconfiguration121