User guide

Table5.Securitymenuitems(continued)
Menuitem
SubmenuitemSelectionComments
Note:Ifyousetthe
computracemodule
activationtoPermanently
Disabled,youwillbe
unabletoenablethis
settingagain.
SecureBoot
•Disabled
•Enabled
Enableordisablethe
UEFISecureBootfeature.
SelectEnabletoprevent
unauthorizedoperating
systemsfromrunningat
boottime.SelectDisabled
toallowanyoperating
systemstorunatboottime.
Windows8operating
systemrequiresthisfeature
tobeenabled.
PlatformMode
•SetupMode
•UserMode
Specifythesystem
operatingmode.
SecureBootMode•StandardMode
•CustomMode
Specifythesystem
operatingmode.
ResettoSetupMode
•Yes
•No
Thisoptionisusedtoclear
thecurrentplatformkey
andputthesysteminto
SetupMode.Youcan
installyourownplatform
keyandcustomizethe
SecureBootsignature
databasesinSetupMode.
SecureBootmodewillbe
settoCustomMode.
SecureBoot
RestoreFactorykeys•Yes
•No
Thisoptionisusedto
restoreallkeysand
certicatesinSecure
Bootdatabasestofactory
defaults.Anycustomized
SecureBootsettings
willbeerased,andthe
defaultplatformkeywillbe
re-establishedalongwith
theoriginalsignature
databasesincluding
certicateforWindows
8operatingsystem.
Startupmenu
Tochangethestartupsettingsofyourcomputer,selecttheStartuptabfromtheThinkPadSetupmenu.
Attention:
116UserGuide