Lenovo ThinkBook 14s Yoga Gen 3 User manual

User Guide
Lenovo ThinkBook 14s Yoga Gen 3

Read this first
Before using this documentation and the product it supports, ensure that you read and understand the
follo ing:
• Generic Safety and Compliance Notices
• Safety and Warranty Guide
• Setup Guide
First Edition (February 2023)
© Copyright Lenovo 2023.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or soft are is delivered pursuant to a General Services
Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-
35F-05925.

Contents
About this guide . . . . . . . . . . . . . iii
Chapter . Meet your computer . . . . .
Front . . . . . . . . . . . . . . . . . . . . 1
Base . . . . . . . . . . . . . . . . . . . . 2
Left . . . . . . . . . . . . . . . . . . . . 3
Right . . . . . . . . . . . . . . . . . . . . 5
Features and specifications . . . . . . . . . . . 6
Statement on USB transfer rate . . . . . . . . 7
Operating environment . . . . . . . . . . . 7
Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . . 9
Work ith Windo s . . . . . . . . . . . . . . 9
Windo s help information . . . . . . . . . 10
Lenovo Vantage and Lenovo PC Manager . . . . 10
The Novo Button menu . . . . . . . . . . . . 10
Open the Novo Button menu . . . . . . . . 10
Interact ith your computer . . . . . . . . . . 11
Hotkeys . . . . . . . . . . . . . . . . 11
Touch operations supported by Windo s . . . 12
Lenovo Smart Pen . . . . . . . . . . . . 13
Chapter 3. Explore your computer . . 7
Intelligent features . . . . . . . . . . . . . . 17
Gesture Controls (Touch screen/Touchpad) . . 17
Super Resolution . . . . . . . . . . . . 17
Eye Care Mode . . . . . . . . . . . . . 17
Smart Noise Cancelling . . . . . . . . . . 17
Manage po er . . . . . . . . . . . . . . . 17
Rechargeable battery pack . . . . . . . . 17
Set po er button behavior. . . . . . . . . 19
A po er plan . . . . . . . . . . . . . . 19
System operation modes . . . . . . . . . 19
Change settings in UEFI/BIOS setup utility . . . . 20
What is UEFI/BIOS setup utility . . . . . . . 20
Open the UEFI/BIOS setup utility . . . . . . 20
Select boot devices . . . . . . . . . . . 20
Change hotkey mode . . . . . . . . . . . 20
Enable or disable al ays-on . . . . . . . . 21
Set pass ords in UEFI/BIOS setup utility . . . . . 21
Pass ord types . . . . . . . . . . . . . 21
Set administrator pass ord . . . . . . . . 21
Change or remove administrator pass ord . . 22
Set user pass ord . . . . . . . . . . . . 22
Enable po er-on pass ord . . . . . . . . 22
Set hard disk pass ord . . . . . . . . . . 23
Change or remove hard disk pass ord . . . . 23
Chapter 4. Help and support . . . . . 25
Frequently asked questions . . . . . . . . . . 25
Ho 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 screen brightness change
constantly . . . . . . . . . . . . . . . 25
Why does my computer start automatically
hen I open the lid . . . . . . . . . . . . 25
Self-help resources . . . . . . . . . . . . . 26
What is a CRU? . . . . . . . . . . . . . . . 27
CRUs for your product model . . . . . . . . . 27
Call Lenovo . . . . . . . . . . . . . . . . 27
Before you contact Lenovo . . . . . . . . 27
Lenovo Customer Support Center . . . . . . 28
Purchase additional services. . . . . . . . . . 28
Appendix A. Function descriptions
for Lenovo hotkeys . . . . . . . . . . 29
Appendix B. Notices and
trademarks . . . . . . . . . . . . . . . 3
© Copyright Lenovo 2023 i

ii User Guide

About this guide
• This guide applies to Lenovo product model(s) listed belo . Illustrations in this guide may look slightly
different from your product model.
Model name Machine type (MT)
ThinkBook 14s Yoga G3 IRU 21JG
ThinkBook 14s Yoga G3 IRU 1 21JG
ThinkBook 14s Yoga G3 IRU 2 21JG
• For further compliance information, refer to the Generic Safety and Compliance Notices at
https://pcsupport.lenovo.com/docs/generic_notices.
• This guide may contain information about accessories, features, and soft are that are not available on all
models.
• This guide contains instructions that are based on the Windo s operating system. These instructions are
not applicable if you install and use other operating systems.
• Microsoft® makes periodic feature changes to the Windo s® operating system through Windo s Update.
As a result, the operating system related instructions may become outdated. Refer to Microsoft resources
for the latest information.
• The content of the guide is subject to change ithout notice. To obtain the latest version, go to
https://support.lenovo.com.
© Copyright Lenovo 2023 iii

iv User Guide

Chapter . Meet your computer
Front
Item Controls & Connectors Description
1 Microphones Capture or record sound and voice.
2Camera Capture still and moving images for taking photos,
recording videos, and video chatting.
3Camera cover Physically disable the camera function for privacy
protection.
4Camera light If the light is on, the camera is in use.
5Screen Display text, graphics, and videos. The screen supports
multi-touch function.
6 Wireless antennas Send and receive radio aves for the built-in ireless
LAN (local area net ork) and Bluetooth module.
Notes:
• The antennas are not visible from the outside of the
computer.
• If the location of the antennas is close to the user’s
body (< 20 cm), you can find the Specific Absorption
Rate (SAR) values in the Setup Guide that comes ith
your computer.
© Copyright Lenovo 2023

Base
Item Controls & Connectors Description
1 Keyboard Enter characters and interact ith programs.
Note: The keyboard also includes hotkeys and function
keys for changing settings and performing tasks quickly.
2 Touchpad Perform finger touch and all the functions of a traditional
mouse.
Note: The touchpad also supports multi-touch function.
2User Guide

Left
Item Controls & Connectors Description
1,3 Multi-purpose USB Type-C® connector This multi-purpose connector can be used to connect:
• devices that utilize the USB data transfer technology,
and
• display devices
Note: When connecting display devices, you need to
use appropriate cables and adapters (if needed)
according to the connection capabilities of the display
device.
The USB Type-C connector (1) ith a plug icon next to
it also functions as the PC’s po er input connector.
Connector (3) is Thunderbolt™ 4 enabled. When
connected ith a Thunderbolt enabled device, data
transfer may be established in Thunderbolt mode.
2Charging light Indicate hether the computer is connected to ac po er.
• Solid hite: Connected to ac po er; battery capacity
91%–100%
• Solid amber: Connected to ac po er; battery capacity
1%–90%
• Off: Not connected to ac po er
4 HDMI™ connector Connect to a compatible digital audio device or video
monitor, such as an HDTV.
5USB (3.2 Gen 1) Type-A connector (al ays-
on)
The al ays-on connector can charge external devices
hen the computer is turned off, in sleep or hibernation
mode. The al ays-on function can be turned on or off in
the UEFI/BIOS setup utility.
Note: If Lenovo Vantage is pre-installed on your
computer, you can also set al ays-on function ithin that
soft are.
Chapter 1.Meet your computer 3

Item Controls & Connectors Description
6Combo audio jack Connect to headphones or headsets ith a 3.5 mm (0.14
inch), 4-pole plug.
Note: This jack does not support standalone external
microphones. If you use headsets, choose one ith a
single plug.
7Novo button hole Press the Novo button to open the Novo Button menu.
From the menu, you can choose to open the UEFI/BIOS
setup utility, the Boot menu, or the Windo s startup
options screen.
8Speaker Produces sound.
4User Guide

Right
Item Controls & Connectors Description
1Speaker Produces sound.
2Lenovo Smart Pen Pull out to activate smart functions automatically. Plug in
for charging.
3Po er light/Fingerprint reader light The light sho s po er status of the computer. If the
computer includes a fingerprint reader, it can also sho
the status of the reader.
• Po er light
– On: The computer is turned on.
– Off: The computer is turned off or in hibernation
mode.
– Blinking: The computer is in sleep mode.
• Fingerprint reader light
– Blinking green: The fingerprint reader is starting.
– Solid green: The fingerprint reader is aiting for you
to scan your fingerprint.
4Po er button/Fingerprint reader • Press the button to turn on the computer or put the
computer into sleep mode.
• Enroll and read your fingerprint for user authentication.
5microSD card slot Insert a microSD card into the slot for data transfer or
storage.
6USB (3.2 Gen 1) Type-A connector Connect to a USB-compatible device, such as a USB
keyboard, a USB mouse, a USB storage device, or a USB
printer.
7Nano security-lock slot Lock your computer to a desk, table, or other fixtures
through a compatible security cable lock.
Chapter 1.Meet your computer 5

Features and specifications
Specifications Descriptions
Dimensions • Width: 320 mm (12.60 inches)
• Depth: 216 mm (8.50 inches)
• Thickness: 17.5 mm (0.69 inches)
ac po er adapter • Input: 100 V ac–240 V ac, 50 Hz–60 Hz
• Maximum output: 20 V dc, 3.25 A
• Maximum po er: 65 W
Battery pack • Capacity: 60 Wh
• Number of cells: 4
Note: The battery capacity is the typical or average capacity as measured in a specific test
environment. Capacities measured in other environments may differ but are no lo er than the
rated capacity (see product label).
Microprocessor To vie the microprocessor information of your computer, type system information in the
Windo s search box and then press Enter.
Memory • Type: DDR4
• Number of physical slots: 1
Storage device • Type: solid-state drive
• Form factor: M.2 (2242/2280)
• Bus: PCI Express
Screen • Size: 355.6 mm (14 inches)
• Display resolution: 1920 × 1080 pixels
Keyboard • Function keys
• Hotkeys
• Keyboard backlight
6User Guide

Specifications Descriptions
Connectors and slots • Combo audio jack
• USB Type-A connector × 2 (one connector ith Al ays-On function)
• Multi-purpose USB Type-C connector × 2
– Supports maximum signaling rate of 41.25 Gbps in Thunderbolt mode (for connector
ith icon)
– Supports SuperSpeed USB 10 Gbps
– Supports DisplayPort Alt Mode (DisplayPort 2.0 compliant)
– Supports po er output up to 15 W (5 V, 3 A)
– Supports USB Po er Delivery
• HDMI connector
– Supports 4096 × 2160 @ 60 Hz as specified in HDMI 2.1
• microSD card slot
Note: Data rates and performance ratings are dependent on connected devices and cables if
they are used. For DisplayPort connection through a USB-C port, the listed maximum output
capacity is only available on external displays ith a DisplayPort, a Mini DisplayPort, or a
USB-C port that supports DisplayPort Alternate Mode. For connections using a converter or
an adapter, the actual output resolution may be lo er.
Security • Fingerprint reader
• Nano security-lock slot
• UEFI/BIOS pass ords
– Administrator pass ord
– User pass ord
– Master hard disk pass ord
– User hard disk pass ord
Net ork Wi-Fi and Bluetooth combo adapter
Statement on USB transfer rate
Depending on many factors such as the processing capability of the host and peripheral devices, file
attributes, and other factors related to system configuration and operating environments, the actual transfer
rate using the various USB connectors on this device ill vary and ill be slo er than the data rate listed
belo for each corresponding device.
USB device Data rate (Gbit/s)
3.2 Gen 1 5
3.2 Gen 2 10
Operating environment
Maximum altitude (without pressurization)
3048 m (10 000 ft)
Chapter 1.Meet your computer 7

Temperature
• At altitudes up to 2438 m (8000 ft)
– Operating: 5°C to 35°C (41°F to 95°F)
– Storage: 5°C to 43°C (41°F to 109°F)
• At altitudes above 2438 m (8000 ft)
– Maximum temperature hen operating under the unpressurized condition: 31.3°C (88°F)
Note: When you charge the battery, its temperature must be no lo er than 10°C (50°F).
Relative humidity
• Operating: 8% to 95% at et-bulb temperature 23°C (73°F)
• Storage: 5% to 95% at et-bulb temperature 27°C (81°F)
8User Guide

Chapter 2. Get started with your computer
Work with Windows
The follo ing table contains Windo s frequently used settings. You can learn the basics and start orking
ith Windo s right a ay.
To configure settings, type the corresponding key ords in the Windo s search box and select the best
match. Follo the on-screen instructions to customize settings.
Table 1. Basic settings
Functions Descriptions Search by
keywords
Control Panel Vie or change Windo s settings, including hard are and soft are setup
and configuration.
Control Panel
Connect to Wi-Fi
net orks
For models ith a ireless LAN module, you can connect your computer to
a Wi-Fi® net ork. Click the net ork icon in the Windo s notification area,
and then select a net ork for connection.
Note: The ireless LAN module on your computer may support different
standards. For some countries or regions, use of 802.11ax may be disabled
according to local regulations.
Wi-Fi
Airplane mode Airplane mode is a convenient setting to turn all ireless communications of
your computer on and off. You may need to turn it on hen boarding an
airplane.
Airplane mode
Night light mode Night light is a s itch in Windo s that you can turn on and off. When it is
turned on, your screen sho s armer colors and the amount of emitted
blue light is reduced. Enabling night light reduces the chances of developing
eye fatigue or eye strain.
Note: For more guidance on reducing eye fatigue or eye strain, go to
https:// .lenovo.com/us/en/compliance/visual-fatigue.
Night light
Adjust color
temperature
If night light mode is turned on, you can adjust the color temperature of the
screen.
Note: Selected Lenovo computers are lo blue light certified using night
light mode and color temperature settings available in the pre-installed
operating system. These computers are tested ith night light turned on
and color temperature set to 48 or greater.
Night light
Windo s
Updates
Microsoft periodically releases feature and security updates to the Windo s
operating system. Updates that are applicable to your Windo s version are
do nloaded automatically hen your computer is connected to the
Internet. When updates are do nloaded, you are prompted to restart the
computer to install these updates. You can also manually check if there are
available updates for the installed version of Windo s.
Attention: Only use Windo s Update to do nload and install updates.
Updates do nloaded from other sources may include security risks.
Windo s Updates
Table 2. Optional settings
Functions Descriptions Search by
keywords
Enroll your
fingerprint
For models ith a fingerprint reader, you can enroll your fingerprint for
Windo s sign-in.
Sign-in options
© Copyright Lenovo 2023 9

Windows help information
If the on-screen instructions cannot solve your problem, refer to the follo ing to get the online Windo s help
information.
• Type Get Help or Tips in the Windo s search box and then press Enter. When the app opens, type the
problem description and select the matched result.
• Visit Microsoft support Web site: https://support.microsoft.com. Enter hat you are looking for in the
search box and get search results.
Lenovo Vantage and Lenovo PC Manager
They are both apps developed by Lenovo. Using either of them, you can:
• Vie product information and system status
• Manage and change device settings
• Check for and perform system update
Note: This feature is only available on Lenovo Vantage. In Lenovo PC Manager, you can check for and
perform driver update.
Depending on the country or region in hich your computer is purchased, one of the apps may be pre-
installed on your computer. To open it, type its name in the Windo s Search box and select the matched
result. If neither of the apps is pre-installed, you may install one on your o n. Lenovo Vantage is available for
do nload free of charge from the Microsoft Store.
Note: App features are subject to change ith updates and specific features may not be available on all
Lenovo products.
The Novo Button menu
The Novo Button menu can be displayed before the operating system starts. From the menu, you can
choose to
• Open the BIOS/UEFI setup utility
• Open the boot device selection menu
• Open the Windo s startup options screen
Note: From the Windo s startup options screen, you can then choose to
Start your computer using a recovery drive
Reset your computer
Open advanced options screen
Open the Novo Button menu
For Lenovo computers ith a Novo button, you can press the button to open the Novo Button menu.
Step 1. Turn off the computer.
Step 2. Open the LCD screen and press the Novo button.
Note: Alternatively, turn off the computer. Press Fn and the po er button to open the Novo Button menu.
0 User Guide

Interact with your computer
Hotkeys
Look at the top ro of the keyboard of your Lenovo computer and you’ll find keys ith printed icons. These
keys are called hotkeys and they provide shortcuts to functions that you’ll use frequently. The function that
each hotkey provides is denoted by the icon printed on the key.
Hotkeys share keys ith function keys (F1–F12) and other keys. Depending on the FnLock setting, you use
hotkey functions by pressing the key directly or in combination ith the Fn key.
Note: The FnLock s itch does not apply to hotkeys not found in the first ro of the keyboard. To use these
hotkeys, al ays hold do n the Fn key hile pressing the key.
Figure 1. ocation of the Fn key
Related topics
Appendix A “Function descriptions for Lenovo hotkeys” on page 29
The FnLock switch
The FnLock is an electronic s itch that affects ho you use hotkey functions. To turn it on and off, press Fn
+ Esc.
Note: The Esc key is in the upper left corner of the keyboard. It has an LED that indicates the status of the
FnLock s itch.
Figure 2. ocations of the Fn ock key and the Fn key
Chapter 2.Get started ith your computer

A Lenovo keyboard usually contains hotkeys in the top ro . These hotkeys share keys ith the function keys
(F1–F12) and other keys. For these dual-function keys, the icons or characters denoting the primary functions
are printed on top of the icons and characters denoting the secondary functions.
• A: an icon or character denoting the primary function
• B: an icon or character denoting the secondary function
Figure 3. The layout of a dual-function key
Table 3. FnLock and dual-function keys
FnLock
(Esc)
LED
FnLock
status
Pressing the hotkey alone Pressing the hotkey while holding down
the Fn key
Off Disabled Primary function Secondary function
On Enabled Secondary function Primary function
Touch operations supported by Windows
For computers ith a touch-enabled screen, you can touch the screen directly ith your fingers and interact
ith your computer in a more natural ay. The follo ing table lists frequently used touch operations that are
supported by the Windo s operating system.
Touch operation Used for
Tap
Opening apps, documents, and other functions on the
taskbar or the Start menu
Tap t ice quickly
Opening apps that are pinned on the desktop
2 User Guide

Touch operation Used for
Tap, hold and lift
Opening the context menu
Pinch
Zooming out
Spread
Zooming in
S ipe in from the left edge
Opening the idgets panel
S ipe in from the right edge
Opening the notification center
The Windo s operating system also supports 3- and 4-finger gestures on the screen and the touchpad. You
can set them up in Settings ➙ Bluetooth & devices.
Lenovo Smart Pen
Overview
The Integrated Smart Pen is located on the right side of the computer.
Chapter 2.Get started ith your computer 3

Button Function
1. Bottom barrel button To erase text or dra ings, hold the button to erase the object in
supported applications.
2. Top barrel button To right-click, hold the button and tap the screen in supported
applications.
Smart functions of the Lenovo Smart Pen
The smart functions of the Integrated Smart Pen only support Modern Standby Mode or Login Windo s
Mode. You can perform the follo ing operations in numerical order respectively.
Figure 4. Modern Standby Mode
4 User Guide