Lenovo 21KH00B5AU User Manual

Contents
About this guide . . . . . . . . . . . . . iii
Chapter 1. Meet your computer . . . . . 1
Front . . . . . . . . . . . . . . . . . . . . 1
Base . . . . . . . . . . . . . . . . . . . . 2
Left . . . . . . . . . . . . . . . . . . . . 4
Right . . . . . . . . . . . . . . . . . . . . 6
Bottom . . . . . . . . . . . . . . . . . . . 7
Features and specifications . . . . . . . . . . . 8
Statement on USB transfer rate . . . . . . . 10
Operating environment . . . . . . . . . . 10
Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . 11
Work with Windows . . . . . . . . . . . . . 11
Windows help information . . . . . . . . . 12
Lenovo Vantage, Lenovo PC Manager and Lenovo
Smart Engine . . . . . . . . . . . . . . . . 12
The Novo Button menu . . . . . . . . . . . . 12
Open the Novo Button menu . . . . . . . . 13
Interact with your computer . . . . . . . . . . 13
Hotkeys . . . . . . . . . . . . . . . . 13
Dual-function keys without printed icons . . . 14
Numeric keypad (for selected models) . . . . 15
Touch operations supported by Windows (for
selected models) . . . . . . . . . . . . 15
Chapter 3. Explore your computer . . 17
Intelligent features . . . . . . . . . . . . . . 17
Gesture Controls (Touch screen/Touchpad) . . 17
Super Resolution (for selected models) . . . . 17
Eye Care Mode . . . . . . . . . . . . . 17
Smart Noise Cancelling . . . . . . . . . . 17
Smart Appearance (for selected models) . . . 17
Manage power . . . . . . . . . . . . . . . 17
Rechargeable battery pack . . . . . . . . 18
Set power button behavior. . . . . . . . . 19
A power plan . . . . . . . . . . . . . . 19
System operation modes . . . . . . . . . 20
Adjustable display refresh rate (for selected
models) . . . . . . . . . . . . . . . . 20
Change settings in UEFI/BIOS setup utility . . . . 20
What is UEFI/BIOS setup utility . . . . . . . 21
Open the UEFI/BIOS setup utility . . . . . . 21
Select boot devices . . . . . . . . . . . 21
Change hotkey mode . . . . . . . . . . . 21
Enable or disable always-on . . . . . . . . 21
Set passwords in UEFI/BIOS setup utility . . . . . 21
Password types . . . . . . . . . . . . . 21
Set administrator password . . . . . . . . 22
Change or remove administrator password . . 22
Set user password . . . . . . . . . . . . 23
Enable power-on password . . . . . . . . 23
Set hard disk password . . . . . . . . . . 23
Change or remove hard disk password . . . . 23
Chapter 4. Help and support . . . . . 25
Frequently asked questions . . . . . . . . . . 25
How do I partition my storage drive . . . . . 25
What should I do if my computer stops
responding . . . . . . . . . . . . . . . 25
What should I do if I spill liquid on the
computer . . . . . . . . . . . . . . . 25
Where can I get the latest device drivers and
UEFI/BIOS . . . . . . . . . . . . . . . 25
Why does my computer start automatically
when I open the lid . . . . . . . . . . . . 25
Self-help resources . . . . . . . . . . . . . 25
What is a CRU? . . . . . . . . . . . . . . . 27
CRUs for your product model . . . . . . . . . 27
Call Lenovo . . . . . . . . . . . . . . . . 28
Before you contact Lenovo . . . . . . . . 28
Lenovo Customer Support Center . . . . . . 28
Purchase additional services. . . . . . . . . . 29
Appendix A. Function descriptions
for Lenovo hotkeys . . . . . . . . . . 31
Appendix B. Notices and
trademarks . . . . . . . . . . . . . . . 33
© Copyright Lenovo 2023 i

Lenovo 21KH00B5AU Specifications

General

Brand	Lenovo
Model	21KH00B5AU
Category	Laptop
Language	English