Lenovo 20AQ006HUS, 20AQ004JUS manual Turn off the computer

•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.Turn off the computer.

2.Turn on the computer. When the ThinkPad logo is displayed, press F12.

3.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.

Note: Some items are displayed on the menu only if the computer supports the corresponding features.

Table 6. Startup menu items

Menu item	Value			Comments
Boot				Select the boot device when you
				press the power button to turn on the
				computer.
Network Boot				Select the boot device when the system
				wakes from LAN. If Wake On LAN is
				enabled, the network administrator can
				turn on all of the computers in a LAN
				remotely by use of network management
				software.
UEFI/Legacy Boot	•	Both		Select system boot capability.
		– UEFI/Legacy Boot Priority		• Both: Select priority of boot options
		–	UEFI First	between UEFI and Legacy.
				• UEFI Only: The system will boot from
		–	Legacy First
				the UEFI enabled operating system.
	•	UEFI Only
				• Legacy Only: The system will boot
	•	Legacy Only
				from any operating system other than
	CSM Support (for UEFI Only)			the UEFI enabled one.
	•	Yes		Note: If you select UEFI Only, the
				system cannot boot from the bootable
	•	No
				devices that do not have the UEFI
				enabled operating system.
				Compatibility Support Module (CSM) is
				required for booting the legacy operating
				system. If you select UEFI Only, CSM
				Support is selectable. For Both or
				Legacy Only mood, CSM Support is
				not selectable.

112User Guide