Table 4. Security menu items (continued)
Menu item
Submenu item
Value
Comments
Internal Device
Access
Bottom Cover
Tamper Detection
•
Disabled
• Enabled
Enable or disable the tamper detection. If
tamper is detected, Supervisor Password is
required to boot the system. Bottom Cover
Tamper Detection will not take effect unless
Supervisor Password is enabled.
Anti-Theft
Computrace Module
Activation
• Disabled
•
Enabled
• Permanently
Disabled
Enable or disable the UEFI BIOS interface to
activate the computrace module, which is
an optional monitoring service from Absolute
Software.
Note:
If you set the computrace module
activation to
Permanently Disabled
, you will be
unable to enable this setting again.
Secure Boot
•
Disabled
• Enabled
Enable or disable the UEFI Secure Boot feature.
Select
Enable
to prevent unauthorized operating
systems from running at boot time. Select
Disabled
to allow any operating systems to run
at boot time.
Platform Mode
• Setup Mode
•
User Mode
Specify the system operating mode.
Secure Boot Mode
•
Standard Mode
• Custom Mode
Specify the Secure Boot mode.
Reset to Setup Mode
This option is used to clear the current platform
key and put the system into
Setup Mode
. You
can install your own platform key and customize
the Secure Boot signature databases in
Setup
Mode
.
Secure Boot mode will be set to
Custom Mode
.
Restore Factory
Keys
This option is used to restore all keys and
certificates in Secure Boot databases to factory
defaults. Any customized Secure Boot settings
will be erased, and the default platform key
will be re-established along with the original
signature databases including certificate for the
Windows 8.1 operating system.
Secure Boot
Clear All Secure
Boot Keys
This option is used to clear all keys and
certificates in Secure Boot databases. You
can install your own keys and certificates after
selecting this option.
Startup menu
To change the startup settings of your computer, select the
Startup
tab from the ThinkPad Setup menu.
Attention:
• After you change the startup sequence, ensure that you select a correct device during a copy, a save, or a
format operation. Otherwise your data might be erased or overwritten.
• If you are using the BitLocker drive encryption, do not change the startup sequence. BitLocker drive
encryption locks the computer from starting once detects the change of startup sequence.
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User Guide
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