Lenovo ThinkBook 14 Gen 2 User manual

User Guide
Lenovo ThinkBook 14 Gen 3 and Lenovo ThinkBook 15 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 (May 2021)
© Copyright Lenovo 2021.
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
Abo t this g ide . . . . . . . . . . . . . iii
Chapter 1. Meet yo r comp ter . . . . . 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 yo r
comp ter . . . . . . . . . . . . . . . . 11
Get started ith Windo s 10 . . . . . . . . . 11
Windo s account . . . . . . . . . . . . 11
Windo s desktop . . . . . . . . . . . . 12
Lenovo Vantage and Lenovo PC Manager . . . . 13
Connect to net orks . . . . . . . . . . . . . 13
Connect to ired net orks . . . . . . . . 13
Connect to Wi-Fi net orks. . . . . . . . . 14
The Novo Button menu . . . . . . . . . . . . 14
Open the Novo Button menu . . . . . . . . 14
Interact ith your computer . . . . . . . . . . 15
Keyboard hotkeys . . . . . . . . . . . . 15
Numeric keypad . . . . . . . . . . . . . 16
Multi-touch gestures for touch-enabled
screens . . . . . . . . . . . . . . . . 16
Chapter 3. Explore yo r comp ter . . 19
Manage po er . . . . . . . . . . . . . . . 19
Check the battery status . . . . . . . . . 19
Charge the battery . . . . . . . . . . . . 19
Set po er button behavior. . . . . . . . . 19
A po er plan . . . . . . . . . . . . . . 19
Set performance mode . . . . . . . . . . 20
Change settings in UEFI/BIOS setup utility . . . . 20
What is UEFI/BIOS setup utility . . . . . . . 20
Open the UEFI/BIOS setup utility . . . . . . 20
Change the startup sequence . . . . . . . 20
Change hotkey mode . . . . . . . . . . . 21
Enable or disable al ays-on . . . . . . . . 21
Enable or disable Flip to Boot . . . . . . . 21
Set pass ords in UEFI/BIOS setup utility . . . . . 21
Pass ord types . . . . . . . . . . . . . 21
Set administrator pass ord . . . . . . . . 22
Change or remove administrator pass ord . . 22
Set user pass ord . . . . . . . . . . . . 22
Enable po er-on pass ord . . . . . . . . 23
Set hard disk pass ord . . . . . . . . . . 23
Change or remove hard disk pass ord . . . . 23
Reset or restore Windo s . . . . . . . . . . . 23
Windo s 10 recovery options . . . . . . . 24
Windo s System Restore . . . . . . . . . 24
Reset Windo s . . . . . . . . . . . . . 25
Create a recovery drive . . . . . . . . . . 25
Use a recovery drive to restore or reset
Windo s . . . . . . . . . . . . . . . 25
Chapter 4. Help and s pport . . . . . 27
Frequently asked questions . . . . . . . . . . 27
Self-help resources . . . . . . . . . . . . . 27
What is a CRU? . . . . . . . . . . . . . . . 28
CRUs for your product model . . . . . . . . . 28
Call Lenovo . . . . . . . . . . . . . . . . 29
Before you contact Lenovo . . . . . . . . 29
Lenovo Customer Support Center . . . . . . 29
Purchase additional services. . . . . . . . . . 30
Appendix A. Accessibility and
ergonomic information . . . . . . . . 31
Appendix B. Compliance
information . . . . . . . . . . . . . . . 37
Appendix C. Notices and
trademarks . . . . . . . . . . . . . . . 39
© Copyright Lenovo 2021 i

ii User Guide

Abo t this g ide
• 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 14 G3 ACL 21A2
ThinkBook 14 G3 ITL 21A3
ThinkBook 15 G3 ACL 21A4
ThinkBook 15 G3 ITL 21A5
• 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 10 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 2021 iii

iv User Guide

Chapter 1. Meet yo r comp ter
Front
Figure 1. Front view
1. Microphones Capture or record sound and voice.
2. Camera Capture still and moving images for taking photos, recording videos,
and video chatting.
3. Camera cover slider Move the slider to cover or uncover the camera lens.
Note: The camera cover helps you better protect your privacy.
4. Camera light If the light is on, the camera is in use.
5. Screen Display text, graphics, and videos. Selected models support multi-
touch function.
© Copyright Lenovo 2021 1

Base
Figure 2. Base view— hinkBook 14 G3 I L and hinkBook 14 G3 ACL
Figure 3. Base view— hinkBook 15 G3 I L and hinkBook 15 G3 ACL
2User Guide

1. Wireless antennas Send and receive radio aves for the built-in ireless LAN (local area
net ork) and Bluetooth module.
Note: The antennas are not visible from the outside of the computer.
2. Po er button ( ith po er light) /
Fingerprint reader ( ith Fingerprint reader
light) *
• Press the button to turn on the computer or put the computer into
sleep mode.
Note: You can turn on the computer by flipping open the LCD screen
if Flip to Boot is enabled.
• Enroll and read your fingerprint for user authentication.
• The light sho s the 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 and then solid green: The fingerprint reader is
orking.
3. Numeric keypad To enable or disable the numeric keypad, press the Num Lock key.
4. Touchpad Perform finger touch and all the functions of a traditional mouse.
Note: The touchpad also supports multi-touch function.
5. Keyboard Enter characters and interact ith programs.
Note: The keyboard also includes hotkeys and function keys for
changing settings and performing tasks quickly.
* for selected models
Chapter 1.Meet your computer 3

Left
Figure 4. Left view
1. USB-C® connector/Po er connector • Connect to po er ith the included po er cord and ac po er
adapter.
• Connect to an external display, storage, or data devices.
Note: An appropriate adapter may be needed for connecting
external devices.
2. Charging 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
3. Thunderbolt™ 4 connector * Connect to an external display, storage, or data devices.
Note: An appropriate adapter may be needed for connecting to
external devices.
4. HDMI™ connector Connect to a compatible digital audio device or video monitor, such
as an HDTV.
5. USB (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.
6. Combo 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.
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7. Novo button hole Press the Novo button to open the Novo B tton menu. From the
menu, you can choose to open the UEFI/BIOS setup utility, the Boot
menu, or the Windo s startup options screen.
8. Battery light Indicate the battery capacity of the computer.
• Connected to ac po er
– Solid hite: Battery capacity 80%–100%
– Blinking hite: Battery capacity 20%–80%
– Blinking amber: Battery capacity 1%–20%
• Not connected to ac po er
– Off: Battery capacity 20%–100%
– Solid amber: Battery capacity 5%–20%
– Blinking amber: Battery capacity 1%–5%
* for ThinkBook 14 G3 ITL and ThinkBook 15 G3 ITL only
Chapter 1.Meet your computer 5

Right
Figure 5. Right view
1. SD card slot Insert an SD card or a MultiMediaCard (MMC) into the slot for data
transfer or storage.
2. USB (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.
3. Ethernet connector Connect to a local area net ork (LAN).
4. Nano security-lock slot Lock your computer to a desk, table, or other fixtures through a
compatible security cable lock.
6User Guide

Bottom
Figure 6. Bottom view— hinkBook 14 G3 I L and hinkBook 14 G3 ACL
Figure 7. Bottom view— hinkBook 15 G3 I L and hinkBook 15 G3 ACL
1. Ventilation slots (inlet) Maintain the incoming airflo to dissipate internal heat.
Note: Do not block the ventilation slots. Other ise, the computer might overheat.
2. Speakers Produce sound.
Chapter 1.Meet your computer 7

Feat res and specifications
Dimensions • ThinkBook 14 G3 ITL and ThinkBook 14 G3 ACL
– Width: 323.9 mm (12.75 inches)
– Depth: 218 mm (8.58 inches)
– Thickness: 17.9 mm (0.70 inches)
• ThinkBook 15 G3 ITL and ThinkBook 15 G3 ACL
– Width: 357 mm (14.06 inches)
– Depth: 235 mm (9.25 inches)
– Thickness: 18.9 mm (0.74 inches)
ac po er adapter • Input: 100 V ac–240 V ac, 50 Hz–60 Hz
• Output: 20 V dc, 3.25 A
• Po er: 65 W
Battery pack • Capacity
– 45 Wh
– 60 Wh
• Number of cells
– 3
– 4
Microprocessor To vie the microprocessor information of your computer, right-click the Start button and then
select System.
Memory • Type
– Double data rate 4 (DDR4) on board
– Double data rate 4 (DDR4) small outline dual in-line memory module (SODIMM)
• Number of physical slots: 1
Storage device • Type
– solid-state drive (SSD)
– hard disk drive (HDD)
• Form factor
– SSD:
– M.2 (2242)
– M.2 (2280) *
– HDD: 2.5-inch (7 mm) *
• Bus
– SSD1: Support PCIe 3 × 4
– SSD2: Support PCIe 3 × 2
– HDD: Serial ATA 3 (SATA 2 compatible)
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Screen • Size
– ThinkBook 14 G3 ITL and ThinkBook 14 G3 ACL: 355.60 mm (14 inches)
– ThinkBook 15 G3 ITL and ThinkBook 15 G3 ACL: 396.24 mm (15.6 inches)
• Display resolution: 1920 × 1080 pixels (FHD model)
Keyboard • Function keys
• Hotkeys
• Numeric keypad *
• Keyboard backlight *
Connectors and slots • Combo audio jack
• Ethernet connector
• USB Type-A connector × 2 (one connector ith Al ays-On function)
• ThinkBook 14 G3 ACL and ThinkBook 15 G3 ACL
– USB-C connector x 2
– Po er input up to 65 W using the included po er adapter
– Support data transfer rates up to 10 Gbps for USB 3.2 Gen 2
– Provide po er output up to 5 V and 3 A
– Support DisplayPort
• ThinkBook 14 G3 ITL and ThinkBook 15 G3 ITL
– USB-C connector
– Support data transfer rates up to 10 Gbps for USB 3.2 Gen 2
– Provide po er output up to 5 V and 3 A
– Support DisplayPort
– Thunderbolt 4 connector
– USB data transfer rate up to 10 Gbps for USB 3.2 Gen 2
– DisplayPort 1.4. Supports maximum output resolution of 5120 × 3200, at 60 Hz frame
rate and color depth of 24 bpp (bits per pixel).
– Up to 40 Gbps bi-directional data transfer rate in Thunderbolt mode.
• HDMI connector
• SD card slot
Security features • Nano security-lock slot
• Fingerprint reader *
• UEFI/BIOS pass ords
– Administrator pass ord
– User pass ord
– Master hard disk pass ord
– User hard disk pass ord
Wireless features • Bluetooth
• Wireless LAN
* for selected models
Chapter 1.Meet your computer 9

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).
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
Maxim m altit de (witho t press rization)
3048 m (10 000 ft)
Temperat re
• 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 h midity
• Operating: 8% to 95% at et-bulb temperature 23°C (73°F)
• Storage: 5% to 95% at et-bulb temperature 27°C (81°F)
10 User Guide

Chapter 2. Get started with yo r comp ter
Get started with Windows 10
Learn the basics of Windo s 10 and start orking ith it right a ay. For more information about Windo s
10, see the Windo s help information.
Windows acco nt
You must create at least one account to use the Windo s operating system. It can be either a local account
or a Microsoft account.
Local acco nts
A local account is created on a particular Windo s-enabled device and it can only be used on that device. It
is recommended that you set a pass ord for each local account to prevent unauthorized access to the
device.
Microsoft acco nts
A Microsoft account is a user account that you use to sign in to Microsoft soft are and services. If you use
Microsoft services like OneDrive, Outlook.com, Xbox Live, Office 365, and Skype, you might already have
one. If you don't have it, you can create one for free.
There are t o main benefits of using a Microsoft account:
• Sign in only once. If you use a Microsoft account to sign in to Windo s 10, you don’t need to sign in again
to use OneDrive, Skype, Outlook.com, and other Microsoft services.
• Settings can be synced. If you use your Microsoft account to sign in to multiple Windo s-enabled
devices, certain Windo s settings can be synced among the devices.
Switch between a local and a Microsoft acco nt
If you are using a local account to sign in to Windo s 10, you can s itch to use a Microsoft account instead.
Step 1. Open the Start menu and select Settings ➙ Acco nts.
Step 2. Select Sign in with a Microsoft acco nt instead.
Step 3. If you already have a Microsoft account, enter the account name and pass ord to sign in.
Other ise, select Create one to create a ne Microsoft account.
Note: The device must have Internet access the first time you use a Microsoft account on that
device.
If you ant to s itch back to use a local account, open the Start menu and select Settings ➙ Acco nts ➙
Sign in with a local acco nt instead.
Add additional ser acco nts
Your user account must be of the “Administrator” type to add additional user accounts to Windo s.
Add additional user accounts if you need to share your computer ith family members or other users.
Step 1. Open the Start menu and select Settings ➙ Acco nts ➙ Family & other sers.
Step 2. Select Add someone else to this PC.
© Copyright Lenovo 2021 11

Note: To add family members, you need to sign in ith a Microsoft account.
Step 3. Set the user name and pass ord for the user account.
Enroll yo r fingerprint
If your computer includes a fingerprint reader, you can enroll your fingerprint for Windo s sign-in.
Step 1. Open the Start menu and select Settings ➙ Acco nts ➙ Sign-in options.
Note: If you are using a local account, the account must be pass ord protected. Other ise, you
cannot enroll fingerprints.
Step 2. Select Windows Hello Fingerprint ➙ Set p ➙ Get started.
Step 3. Follo on-screen instructions to complete the enrollment. Create a PIN hen prompted, in case
your fingerprint cannot be recognized at Windo s sign-in.
Note: You can enroll more than one fingerprint.
Windows desktop
1. Acco nt Change account settings, lock the computer, or sign out of the
current account.
2. Doc ments Open the Doc ments folder, a default folder to save your received
files.
3. Pict res Open the Pict res folder, a default folder to save your received
pictures.
4. Settings Open Settings.
5. Power Shut do n, restart, or put the computer into sleep mode.
6. Start b tton Open the Start menu.
7. Windows Search Enter hat you are looking for in the search box and get search
results from your computer and the Web.
12 User Guide

8. Task View Display all opened apps and s itch bet een them.
9. Windows notification area Display notifications and status of some features.
10. Battery stat s icon Display po er status and change battery or po er settings.
11. Network icon Connect to an available ireless net ork and display the net ork
status. When connected to a ired net ork, the icon changes to .
12. Action center Display the latest notifications from apps and provide quick access to
some features.
Open the Start men
• Click the Start button.
• Press the Windo s logo key on the keyboard.
Open Control Panel
• Open the Start menu and select Windows System ➙ Control Panel.
• Use Windo s Search.
Open an app
• Open the Start menu and select the app you ant to open.
• Use Windo s Search.
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.
Connect to networks
Your computer helps you connect to the orld through a ired or ireless net ork.
Connect to wired networks
If your computer includes an Ethernet (RJ-45) connector, you can use an Ethernet cable to connect your
computer to a ired net ork.
Chapter 2.Get started ith your computer 13

Connect to Wi-Fi networks
If your computer includes a ireless LAN module, you can connect your computer to Wi-Fi® net orks. 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.
Step 1. Click the net ork icon in the Windo s notification area. A list of nearby net orks is displayed.
Note: If no net ork is displayed, check to ensure that the airplane mode is not turned on.
Step 2. Select a net ork and click Connect. Provide security key if prompted.
Note: The net ork key is usually managed by the net ork administrator.
Forget a Wi-Fi network
Windo s saves a list of Wi-Fi net orks you have connected to, along ith their pass ords and other
settings. By doing this, your computer is automatically connected hen it is in the range of a previously
connected net ork. Ho ever, if the net ork pass ord has been changed, you need to forget the net ork in
order to enter a ne pass ord.
Step 1. Select Start ➙ Settings ➙ Network & Internet ➙ Wi-Fi.
Step 2. Click Manage known networks.
Step 3. Click the net ork name and click Forget.
T rn airplane mode on and off
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.
Step 1. Click the action center icon in the Windo s notification area.
Step 2. Click the Airplane mode icon to turn it on or off.
Note: Click Expand if you cannot find the airplane mode icon.
The Novo B tton men
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 B tton men
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.
14 User Guide