Lenovo ThinkPad T540p (English) User Guide - Page 136

Startup menu, Startup, Attention

Page 136 highlights

Table 5. Security menu items (continued) Menu item Submenu item Selection Secure Boot Secure Boot • Disabled • Enabled Platform Mode Secure Boot Mode Reset to Setup Mode • Setup Mode • User Mode • Standard Mode • Custom Mode • Yes • No Restore Factory keys • Yes • No Comments Note: If you set the computrace module activation to Permanently Disabled, you will be unable to enable this setting again. 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. Windows 8 and Windows 8.1 operating systems require this feature to be enabled. Specify the system operating mode. Specify the system operating 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 and Windows 8.1 operating systems. Startup menu To change the startup settings of your computer, select the Startup tab from the ThinkPad Setup menu. Attention: 120 User Guide

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Table 5. Security menu items (continued)
Menu item
Submenu item
Selection
Comments
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
systemstorunatboottime.
Windows 8 and Windows
8.1 operating systems
require this feature to be
enabled.
Platform Mode
• Setup Mode
User Mode
Specify the system
operating mode.
Secure Boot Mode
Standard Mode
• Custom Mode
Specify the system
operating mode.
Reset to Setup Mode
• Yes
• No
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
• Yes
• No
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 Windows 8.1 operating
systems.
Startup menu
To change the startup settings of your computer, select the
Startup
tab from the ThinkPad Setup menu.
Attention:
120
User Guide