ThinkPad P50 User Manual page 99

Table 3. Security menu items (continued)
Menu item
Submenu item
Secure Boot Secure Boot
Platform Mode
Secure Boot Mode
Reset to Setup
Mode
Restore Factory
Keys
Clear All Secure
Boot Keys
Value
Comments
Enable or disable the UEFI Secure Boot feature.
• Disabled
Select Enable to prevent unauthorized
• Enabled
operating systems from running at boot time.
Select Disabled to allow any operating systems
to run at boot time.
Specify the system operating mode.
• Setup Mode
• User Mode
Specify the Secure Boot mode.
• Standard 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 the
Windows 8 and Windows 10 operating systems.
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.
.
Chapter 6 Advanced configuration
81