Table 4. Security menu items (continued)
Menu item
Submenu item
Value
Comments
Computrace Module
Activation
• Disabled
•
Enabled
• Permanently
Disabled
Enable or disable the UEFI BIOS interface to
activate the computrace module. Computrace
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
.
Secure Boot
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
Windows 8 and 8.1 operating systems.
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.
To change the startup sequence temporarily so that the computer starts from a desired drive, do the following:
1. Turn off the computer.
2. Turn on the computer. When the ThinkPad logo is displayed, press the F12 key.
3. Select the device that you want the computer to start from.
Note:
The
Boot
menu will be displayed if the computer cannot start from any devices or the operating
system cannot be found.
Chapter 8
.
Advanced configuration
113
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