Table 4. Security menu items (continued)
Menu item
Submenu item
Selection
Comments
the original signature databases
including certificate for Windows 10
operating system.
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.
To change the startup sequence temporarily so that the computer starts from a desired drive, do the following:
1. Restart the computer. When the ThinkPad logo is displayed, press F12.
2. 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.
The following table lists the
Startup
menu items. Default values are in
boldface
. The menu items might
change without notice. Depending on the model, the default value might vary.
Note:
Some items are displayed on the menu only if the computer supports the corresponding features.
Table 5. Startup menu items
Menu item
Selection
Comments
Boot
Select the boot device when you
press the power button to turn on the
computer.
Network Boot
• USB CD
• USB FDD
• ATA HDD0
• USB HDD
•
PCI LAN
Select top priority of the Boot Priority
Order when waking from LAN.
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