Lenovo ThinkPad 11e 3rd Gen User Manual page 81

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 logo screen is displayed, press the F12 key.
3. Select the device 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: The menu items displayed on your computer might be slightly different from the following table.
Table 4. Startup menu items
Menu item
Boot
Network Boot
UEFI/Legacy Boot
Value
• USB CD
• USB FDD
• NVMe0
• ATA HDD0
• USB HDD
• PCI LAN-xxxxxxxxxx
• PCI LAN
• USB CD
• USB FDD
• NVMe0
• ATA HDD0
• USB HDD
• PCI LAN
• Both
– UEFI/Legacy Boot Priority
– UEFI First
– Legacy First
• UEFI Only
• Legacy Only
CSM Support (for UEFI Only)
• Yes
• No
Comments
Select the boot device when you
press the power button to turn on the
computer.
Select the boot device when the
computer wakes from LAN. If
PCI LAN is enabled, a network
administrator can turn on all of the
computers in a LAN remotely by use
of network management software.
Select system boot capability.
• Both: Select priority of boot
options between UEFI and Legacy.
• UEFI Only: The system will start
from the UEFI-enabled operating
system.
• Legacy Only: The system will start
from any operating system other
than the UEFI-enabled one.
Note: If you select UEFI Only, the
computer cannot start from the
bootable devices that do not have the
UEFI enabled operating system.
Compatibility Support Module (CSM)
is required for starting the legacy
operating system. If you select UEFI
Only, CSM Support is selectable.
For Both or Legacy Only mode, CSM
Support is not selectable.
.
Chapter 5 Advanced configuration
69