Lenovo X230I Menu item Value Comments Boot, Network Boot, UEFI/Legacy Boot Both, Legacy First

To change the startup sequence temporarily so that the system starts up from a different drive, do the following:

1.Turn off the computer.

2.Turn on the computer; then, while the ThinkPad logo is displayed, press F12.

3.Select the device you want to start first.

Note: The Boot menu will be displayed when the system cannot boot from any devices or the operating system cannot be found.

The following table lists the Startup menu items.

Notes:

•Default values are in boldface.

•On each submenu, press the Enter key to show selectable options and select a desired option.

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

Table 7. Startup menu items

Menu item	Value		Comments
Boot			See “Changing the startup sequence” on
			page 119.
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 Only	• Both: The system will boot following
	•	Legacy Only	the UEFI/Legacy Boot Priority
			setting.
			• UEFI Only: The system will boot from
			the UEFI enabled operating system.
			• Legacy Only: The system will boot
			from any operating system other than
			the UEFI enabled one.
			Note: If you select UEFI Only, the
			system cannot boot from the bootable
			devices that do not have the UEFI
			enabled operating system.
UEFI/Legacy Boot Priority	•	UEFI First	Select priority of boot options between
	•	Legacy First	UEFI and Legacy.
Boot Mode	•	Quick	Screen during the POST:
	•	Diagnostics	• Quick: The ThinkPad Logo screen is
			displayed.
			• Diagnostics: Text messages are
			displayed.
			Note: You also can enter Diagnostic
			mode by pressing Esc during the POST.

120User Guide