Lenovo 20AA000BUS, T431s, 20AA000MUS manual Main menu, Config menu

Models: 20AA T431s 20AA000MUS 20AA000BUS

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1.Turn on the computer. When the logo screen is displayed, press the F1 key. The ThinkPad Setup program main menu opens.

Note: If you have set a supervisor password, the ThinkPad Setup program main menu will be displayed after you enter the password. You can start ThinkPad Setup by pressing Enter instead of entering the supervisor password. However, you cannot change the parameters that are protected by the supervisor password. For more information, refer to “Using passwords” on page 39.

2.Use the cursor keys to move to an item you want to change. When the item is highlighted, press Enter. A submenu is displayed.

3.Change the items you wish to change. To change the value of an item, press the following keys:

F6 or the combination of Shift and + : Change to a higher value.

F5 or – : Change to a lower value.

If the item has a submenu, press Enter to display it.

4.Press Esc to exit from the submenu.

5.If you are on a nested submenu, press Esc repeatedly until you reach the ThinkPad Setup program main menu.

Note: If you need to restore the settings to their original state as of the time of purchase, press F9 to load the default settings. You also can select an option on the Restart submenu to load the default settings or discard the changes.

6.Select Restart. Move the cursor to the option you want for restarting your computer, then press Enter. Your computer restarts.

Note: Depending on the operating system you are using, some menu items might not be available.

Main menu

The Main menu is the first interface you see after you enter ThinkPad Setup. It displays the following configuration of your computer:

UEFI BIOS Version

UEFI BIOS Date (Year-Month-Day)

Embedded Controller Version

Machine Type Model

System-unit serial number

System board serial number

Asset Tag

CPU Type

CPU Speed

Installed memory

UUID

MAC address (Internal LAN)

Preinstalled OS License

UEFI Secure Boot

Config menu

If you need to change the configuration of your computer, select Config from the ThinkPad Setup menu.

The following table lists the Config menu items.

Chapter 8. Advanced configuration 93

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Lenovo 20AA000BUS, T431s, 20AA000MUS manual Main menu, Config menu