User's Guide

Set performance mode
You can press Fn+Q to manually set the computer’s performance mode.
Performance mode Description
Auto The computer monitors what programs are running and automatically set the
highest frequency for the processing unit.
Quiet The computer’s processing unit does not operate at its highest frequency.
High performance The computer’s processing unit operates at its highest frequency.
Change settings in UEFI/BIOS setup utility
This section introduces what is UEFI/BIOS 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.
Note: For computers with hotkey mode enabled, press Fn+F2.
Change startup sequence
You may need to change startup sequence to allow the computer to start from another device or a network
location.
Step 1. Open the UEFI/BIOS setup utility.
Step 2. Navigate to the Boot menu.
Step 3. Follow on-screen instructions to change the order of devices under Boot Priority Order.
Note: You can also change startup sequence temporarily without opening the setup utility. To do so, start
the computer. When the Lenovo logo appears, press F12 (or Fn+F12) repeatedly.
Change hotkey mode
Step 1. Open the UEFI/BIOS setup utility.
Step 2. Select Configuration ᇆHotkey Mode and press Enter.
Step 3. Change the setting to Disabled or Enabled.
Step 4. Select Exit ᇆExit Saving Changes.
Enable or disable always-on
For some Lenovo computers with always-on connectors, the always-on function can be enabled or disabled
in the UEFI/BIOS setup utility.
24
Lenovo ThinkBook series User Guide