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Table 10. Operation modes and their recommended usage conditions
Operation mode
High Performance
Auto (Balance)
Power Saving (Quiet)
Note: In Auto (Balance) mode, the computer dynamically switches between High Performance mode and
Power Saving (Quiet) mode depending on the tasks running on the computer.
Change settings in UEFI/BIOS setup utility
This section introduces what UEFI/BIOS is and the operations you can perform in its setup utility.
What is UEFI/BIOS setup utility
UEFI/BIOS is the first program that runs when a computer starts. UEFI/BIOS initializes hardware components
and loads the operating system and other programs. Your computer may include a setup program (setup
utility) with which you can change certain UEFI/BIOS settings.
Open the UEFI/BIOS setup utility
Step 1.
Turn on or restart the computer.
Step 2.
When the Lenovo logo appears on the screen, press F2 repeatedly. Or enter Novo Button menu.
Step 3.
Select UEFI/BIOS Setup.
Select boot devices
Normally, the computer starts with a boot manager loaded from the secondary storage device of the
computer. Occasionally, you may need to start the computer with a program or boot manager loaded from
another device or a network location. After the system firmware initializes all devices, you can press an
interruption key to display the boot menu and select a desired boot device.
Step 1.
Turn on or restart the computer.
Step 2.
Press F12.
Step 3.
From the boot device menu, select a boot device to start the computer.
You can make a permanent change on boot devices in the UEFI/BIOS setup utility. Select the Boot menu; in
the EFI section, select the desired boot device and move it to the top of the device list. Save changes and
exit the setup utility for the change to take effect.
Change hotkey mode
Step 1.
Open the UEFI/BIOS setup utility.
Select Configuration ➙ Hotkey Mode and press Enter.
Step 2.
Step 3.
Change the setting to Disabled or Enabled.
Select Exit ➙ Exit Saving Changes.
Step 4.
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User Guide
Recommended conditions
• Your computer is plugged into an electrical outlet.
• You want the best performance, and
• You don't care if the fan makes a little noise.
You plan to frequently switch between different computer tasks over a period of time.
• Your computer is operating on battery power, or
• You want the computer to be as quiet as possible.
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