Lenovo C240 Hardware Maintenance Manual - Page 23

Changing booting mode, Exiting the Lenovo BIOS Setup Utility program

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Selecting or changing the startup device sequence To view or permanently change the configured startup device sequence, do the following: 1. Start the Lenovo BIOS Setup Utility program (see "Starting the Lenovo BIOS Setup Utility program" on page 13). 2. From the Lenovo BIOS Setup Utility program main menu, select the Startup option. 3. Press the Enter key, and select the devices for the Primary Boot Sequence. Read the information displayed on the right side of the screen. 4. Use - and ¯ arrows to select a device. Use the or keys to move a device up or down. Use the key to exclude the device from or include the device in the boot sequence. 5. Return to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. Select Save Changes and Exit from the menu. Notes: a. If you do not want to save the settings, select Discard Changes and Exit from the menu. b. If you have changed these settings and want to return to the default settings, select Load Optimal Defaults from the menu. Changing booting mode There are two boot modes UEFI and Legacy for your computer. The default boot mode for your computer is the UEFI mode. If you need to install a legacy Windows operating system (any operating system before Windows 8) on your computer, you must change the boot mode to Legacy support. The legacy Windows operating system cannot be installed if you don't change the boot mode. To change the booting mode, do the following: 1. Start the Lenovo BIOS Setup Utility program (see "Starting the Lenovo BIOS Setup Utility program" on page 13). 2. From the Lenovo BIOS Setup Utility program main menu, select the Startup option. 3. Select the Boot Priority, then press Enter key. From the pop up "Boot Priority" window choose Legacy mode. 4. Return to the Lenovo BIOS Setup Utility program menu and select the Exit option. 5. Select Save Changes and Exit from the menu. Exiting the Lenovo BIOS Setup Utility program After you finish viewing or changing settings, press the Esc key to return to the Lenovo BIOS Setup Utility program main menu. You might have to press the Esc key several times. Do one of the following: • If you want to save the new settings, select Save Changes and Exit from the menu. When the Save & reset window shows, select the Yes button, and then press the Enter key to exit the Lenovo BIOS Setup Utility program. • If you do not want to save the settings, select Discard Changes and Exit from the menu. When the Reset Without Saving window shows, select the Yes button, and then press the Enter key to exit the Lenovo BIOS Setup Utility program. Chapter 5. Using the Setup Utility 17

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Selecting or changing the startup device sequence
To view or permanently change the configured startup device sequence, do the following:
1. Start the Lenovo BIOS Setup Utility program (see “Starting the Lenovo BIOS Setup Utility program” on
page 13).
2. From the Lenovo BIOS Setup Utility program main menu, select the
Startup
option.
3. Press the
Enter
key, and select the devices for the
Primary Boot Sequence
. Read the information
displayed on the right side of the screen.
4. Use
›
and
fl
arrows to select a device. Use the
<+>
or
<->
keys to move a device up or down. Use the
<×>
key to exclude the device from or include the device in the boot sequence.
5. Return to the Lenovo BIOS Setup Utility program menu and select the
Exit
option.
6. Select
Save Changes and Exit
from the menu.
Notes:
a.
If you do not want to save the settings, select
Discard Changes and Exit
from the menu.
b. If you have changed these settings and want to return to the default settings, select
Load Optimal
Defaults
from the menu.
Changing booting mode
There are two boot modes UEFI and Legacy for your computer. The default boot mode for your computer is
the UEFI mode. If you need to install a legacy Windows operating system (any operating system before
Windows 8) on your computer, you must change the boot mode to Legacy support. The legacy Windows
operating system cannot be installed if you don’t change the boot mode.
To change the booting mode, do the following:
1. Start the Lenovo BIOS Setup Utility program (see “Starting the Lenovo BIOS Setup Utility program” on
page 13).
2. From the Lenovo BIOS Setup Utility program main menu, select the
Startup
option.
3. Select the
Boot Priority
, then press
Enter
key. From the pop up
“Boot Priority”
window choose
Legacy
mode.
4. Return to the Lenovo BIOS Setup Utility program menu and select the
Exit
option.
5. Select
Save Changes and Exit
from the menu.
Exiting the Lenovo BIOS Setup Utility program
After you finish viewing or changing settings, press the
Esc
key to return to the Lenovo BIOS Setup Utility
program main menu. You might have to press the
Esc
key several times. Do one of the following:
•
If you want to save the new settings, select
Save Changes and Exit
from the menu. When the
Save
& reset
window shows, select the
Yes
button, and then press the
Enter
key to exit the Lenovo BIOS
Setup Utility program.
•
If you do not want to save the settings, select
Discard Changes and Exit
from the menu. When the
Reset Without Saving
window shows, select the
Yes
button, and then press the
Enter
key to exit the
Lenovo BIOS Setup Utility program.
Chapter 5
.
Using the Setup Utility
17