Startup Menu - Lenovo ThinkPad L540 User Manual

Table 5. Security menu items (continued)
Menu item
Submenu item
Fingerprint Reader
Anti-Theft Intel AT Suspend
Computrace
Secure Boot Secure Boot
Platform Mode
Secure Boot Mode
Reset to Setup Mode
Restore Factory
Keys

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:
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User Guide
Value
Comments
• Disabled If you select Enabled, you can use the
fingerprint reader.
• Enabled
• Enter This option is displayed only when the anti-theft
function is activated.
The Intel anti-theft suspend screen will be
displayed at next boot to enter the suspend
mode.
• Disabled Enable or disable the UEFI BIOS interface to
activate the computrace module. Computrace
• Enabled
is an optional monitoring service from Absolute
• Permanently
Software.
Disabled
Note: If you set the computrace module
activation to Permanently Disabled, you will be
unable to enable this setting again.
• Disabled
Enable or disable the UEFI Secure Boot feature.
Select Enable to prevent unauthorized operating
• Enabled
systems from running at boot time. Select
Disabled to allow any operating systems to run
at boot time.
• Setup Mode Specify the system operating mode.
• User Mode
• Standard Mode Specify the Secure Boot mode.
• Custom 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.
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 operating system.