Contents

Lenovo ThinkBook 14 Gen 3 ACL Laptop User Guide PDF

1 of 34
1 of 34

Summary of Content for Lenovo ThinkBook 14 Gen 3 ACL Laptop User Guide PDF

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 following:

Generic Safety and Compliance Notices

Safety and Warranty Guide

Setup Guide

First Edition (July 2021)

Copyright Lenovo 2021.

LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software 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 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 and Lenovo PC Manager . . . . 12 The Novo Button menu . . . . . . . . . . . . 12

Open the Novo Button menu . . . . . . . . 12 Interact with your computer . . . . . . . . . . 13

Keyboard hotkeys . . . . . . . . . . . . 13 Numeric keypad . . . . . . . . . . . . . 14 Multi-touch gestures for touch-enabled screens . . . . . . . . . . . . . . . . 14

Chapter 3. Explore your computer . . 17 Manage power . . . . . . . . . . . . . . . 17

Check the battery status . . . . . . . . . 17 Charge the battery . . . . . . . . . . . . 17 Set power button behavior. . . . . . . . . 17 A power plan . . . . . . . . . . . . . . 17 Set performance mode . . . . . . . . . . 18

Change settings in UEFI/BIOS setup utility . . . . 18 What is UEFI/BIOS setup utility . . . . . . . 18 Open the UEFI/BIOS setup utility . . . . . . 18 Change the startup sequence (for ThinkBook 14 G3 ACL and ThinkBook 15 G3 ACL only) . . 18 Select boot devices (for ThinkBook 14 G3 ITL and ThinkBook 15 G3 ITL only) . . . . . . . 19 Change hotkey mode . . . . . . . . . . . 19 Enable or disable always-on . . . . . . . . 19 Enable or disable Flip to Boot . . . . . . . 19

Set passwords in UEFI/BIOS setup utility . . . . . 19 Password types . . . . . . . . . . . . . 19 Set administrator password . . . . . . . . 20 Change or remove administrator password . . 20 Set user password . . . . . . . . . . . . 21 Enable power-on password . . . . . . . . 21 Set hard disk password . . . . . . . . . . 21 Change or remove hard disk password . . . . 21

Chapter 4. Help and support . . . . . 23 Frequently asked questions . . . . . . . . . . 23 Self-help resources . . . . . . . . . . . . . 23 What is a CRU? . . . . . . . . . . . . . . . 24 CRUs for your product model . . . . . . . . . 25 Call Lenovo . . . . . . . . . . . . . . . . 25

Before you contact Lenovo . . . . . . . . 25 Lenovo Customer Support Center . . . . . . 25

Purchase additional services. . . . . . . . . . 26

Appendix A. Notices and trademarks. . . . . . . . . . . . . . . 27

Copyright Lenovo 2021 i

ii User Guide

About this guide

This guide applies to Lenovo product model(s) listed below. 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

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 software that are not available on all models.

This guide contains instructions that are based on the Windows operating system. These instructions are not applicable if you install and use other operating systems.

Microsoft makes periodic feature changes to the Windows operating system through Windows 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 without notice. To obtain the latest version, go to https:// support.lenovo.com.

Copyright Lenovo 2021 iii

iv User Guide

Chapter 1. Meet your computer

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 viewThinkBook 14 G3 ITL and ThinkBook 14 G3 ACL

Figure 3. Base viewThinkBook 15 G3 ITL and ThinkBook 15 G3 ACL

2 User Guide

1. Wireless antennas Send and receive radio waves for the built-in wireless LAN (local area network) 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 users body (< 20 cm), you can find the Specific Absorption Rate (SAR) values in the Setup Guide that comes with your computer.

2. Power button (with power light) / Fingerprint reader (with 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 shows the power status of the computer. If the computer includes a fingerprint reader, it can also show the status of the reader.

Power 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 working.

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 with 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/Power connector Connect to power with the included power cord and ac power 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 whether the computer is connected to ac power.

Solid white: Connected to ac power; battery capacity 91%100%

Solid amber: Connected to ac power; battery capacity 1%90%

Off: Not connected to ac power

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 (always-on)

The always-on connector can charge external devices when the computer is turned off, in sleep or hibernation mode. The always-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 always-on function within that software.

6. Combo audio jack Connect to headphones or headsets with 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 with a single plug.

4 User Guide

7. Novo 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 Windows startup options screen.

8. Battery light Indicate the battery capacity of the computer.

Connected to ac power

Solid white: Battery capacity 80%100%

Blinking white: Battery capacity 20%80%

Blinking amber: Battery capacity 1%20%

Not connected to ac power

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 network (LAN).

4. Nano security-lock slot Lock your computer to a desk, table, or other fixtures through a compatible security cable lock.

6 User Guide

Bottom

Figure 6. Bottom viewThinkBook 14 G3 ITL and ThinkBook 14 G3 ACL

Figure 7. Bottom viewThinkBook 15 G3 ITL and ThinkBook 15 G3 ACL

1. Ventilation slots (inlet) Maintain the incoming airflow to dissipate internal heat. Note: Do not block the ventilation slots. Otherwise, the computer might overheat.

2. Speakers Produce sound.

Chapter 1. Meet your computer 7

Features 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 power adapter Input: 100 V ac240 V ac, 50 Hz60 Hz

Output: 20 V dc, 3.25 A

Power: 65 W

Battery pack Capacity

45 Wh

60 Wh

Number of cells

3

4

Microprocessor To view the microprocessor information of your computer, type system information in the Windows search box and then press Enter.

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)

8 User Guide

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 with Always-On function)

ThinkBook 14 G3 ACL and ThinkBook 15 G3 ACL

USB-C connector x 2

Power input up to 65 W using the included power adapter

Support data transfer rates up to 10 Gbps for USB 3.2 Gen 2

Provide power 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 power 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 passwords

Administrator password

User password

Master hard disk password

User hard disk password

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 lower 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 will vary and will be slower than the data rate listed below 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)

Temperature

At altitudes up to 2438 m (8000 ft)

Operating: 5C to 35C (41F to 95F)

Storage: 5C to 43C (41F to 109F)

At altitudes above 2438 m (8000 ft)

Maximum temperature when operating under the unpressurized condition: 31.3C (88F)

Note: When you charge the battery, its temperature must be no lower than 10C (50F).

Relative humidity

Operating: 8% to 95% at wet-bulb temperature 23C (73F)

Storage: 5% to 95% at wet-bulb temperature 27C (81F)

10 User Guide

Chapter 2. Get started with your computer

Work with Windows The following table contains Windows frequently used settings. You can learn the basics and start working with Windows right away.

To configure settings, type the corresponding keywords in the Windows search box and select the best match. Follow the on-screen instructions to customize settings.

Table 1. Basic settings

Functions Descriptions Search by keywords

Control Panel View or change Windows settings, including hardware and software setup and configuration.

Control Panel

Connect to Wi-Fi networks

For models with a wireless LAN module, you can connect your computer to a Wi-Fi network. Click the network icon in the Windows notification area, and then select a network for connection. Note: The wireless 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

Connect to wired networks

For models with an Ethernet (RJ-45) connector, you can use an Ethernet cable to connect your computer to a wired network.

Airplane mode Airplane mode is a convenient setting to turn all wireless communications of your computer on and off. You may need to turn it on when boarding an airplane.

Airplane mode

Night light mode Night light is a switch in Windows that you can turn on and off. When it is turned on, your screen shows warmer 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://www.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 low blue light certified. These computers are tested with night light turned on and color temperature set to the default value of 48.

Night light

Windows Updates

Microsoft periodically releases feature and security updates to the Windows operating system. Updates that are applicable to your Windows version are downloaded automatically when your computer is connected to the Internet. When updates are downloaded, 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 Windows. Attention: Only use Windows Update to download and install updates. Updates downloaded from other sources may include security risks.

Windows Updates

Copyright Lenovo 2021 11

Table 2. Optional settings

Functions Descriptions Search by keywords

Enroll your fingerprint

For models with a fingerprint reader, you can enroll your fingerprint for Windows sign-in.

Sign-in options

Windows help information If the on-screen instructions cannot solve your problem, refer to the following to get the online Windows help information.

Type Get Help or Tips in the Windows 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 what 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:

View 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 which your computer is purchased, one of the apps may be pre- installed on your computer. To open it, type its name in the Windows Search box and select the matched result. If neither of the apps is pre-installed, you may install one on your own. Lenovo Vantage is available for download free of charge from the Microsoft Store.

Note: App features are subject to change with 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 Windows startup options screen

Note: From the Windows 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 with a Novo button, you can press the button to open the Novo Button menu.

12 User Guide

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 power button to open the Novo Button menu.

Interact with your computer

Keyboard hotkeys Some keys on the keyboard are printed with icons. These keys are called hotkeys and can be pressed alone or in combination with the Fn key to open certain apps or change certain settings quickly. The functions of the hotkeys are symbolized by the icons printed on them.

Hotkey Function

Mute/Unmute sound.

Decrease/Increase system volume.

Mute/Unmute the microphone.

Increase/Decrease screen brightness.

Switch display devices.

Turn airplane mode on and off.

Service key.

Answer the Skype for Business and Microsoft Teams calls. Notes:

Supported on select versions of Skype for Business and Microsoft Teams.

Install Skype for Business and Microsoft Teams manually.

Reject the Skype for Business and Microsoft Teams calls. Notes:

Supported on select versions of Skype for Business and Microsoft Teams.

Install Skype for Business and Microsoft Teams manually.

Open the Windows Calculator app.

Open Lenovo Vantage, Lenovo PC Manager, or an app launch bar.

Open the Windows snipping tool.

Play or pause playback of media.

Stop playback of media.

Go to the previous media file in the playlist or folder.

Go the next media file in the playlist or folder.

Turn on/off or adjust the brightness of the keyboard backlight. Note: This hotkey must be used with the Fn key.

Chapter 2. Get started with your computer 13

The FnLock switch The FnLock is a switch that reverses the default and hidden function of a hotkey. The following table provides an example of how the FnLock switch changes the default function of the F1 key.

FnLock FnLock light Default function of the F1 key

On On F1 function *

Off Off Mute/Unmute sound

Note: The F1 function is application-dependent. It may have no function if the active application does not have a definition for the key.

The FnLock switch shares the ESC key (in the upper left corner of the keyboard). To turn it on or off, press Fn + ESC.

Numeric keypad Some Lenovo computers includes a dedicated numeric keypad on the far right of the keyboard. The keypad is used for entering numbers and operators quickly.

Press the NumLock key to enable or disable the numeric keypad.

Multi-touch gestures for touch-enabled screens Selected Lenovo computers include a touch-enabled screen. For such a computer, you can use your fingers to interact with the operating system and apps that are gesture aware.

Note: Not all gestures are supported by all apps.

Gesture Function

Tap

Selecting an item

Tap twice quickly

Double-clicking an item

Tap and hold

Right-clicking an item

14 User Guide

Gesture Function

Pinch

Zooming out

Spread

Zooming in

Tap from the left edge

Viewing all open apps

Tap and hold

Displaying the Action Center of Windows

Chapter 2. Get started with your computer 15

16 User Guide

Chapter 3. Explore your computer

Manage power Use the information in this section to achieve the best balance between performance and power efficiency.

Check the battery status The battery status icon or is in the Windows notification area. You can check the battery status, view the current power plan, and access battery settings quickly.

Click the battery status icon to display the percentage of battery power remaining and change the power mode. A warning message is displayed when the battery is low.

Charge the battery When the remaining battery power is low, charge your battery by connecting your computer to ac power.

The battery is fully charged in about two to four hours. The actual charging time depends on the battery capacity, the physical environment, and whether you are using the computer.

Battery charging is also affected by its temperature. The recommended temperature range for charging the battery is between 10C (50F) and 35C (95F).

Note:

You can check the battery temperature in Lenovo Vantage or Lenovo PC Manager.

To maximize the life of the battery, once the battery is fully charged, it must discharge to 94% or lower before it will be allowed to recharge again.

Set power button behavior By default, pressing the power button puts the computer to sleep mode. However, you can change the power button behavior in Windows Control Panel.

Step 1. Type Control Panel in the Windows search box and then press Enter. Open the control panel and view by large or small icons.

Step 2. Select the power options and then click choose what the power button does.

A power plan A power plan is a collection of power-saving settings made available by an operating system. With a power plan, you can set idle time-outs for different hardware components to enter a low-power state. The default power plan and some of its idle time-out settings are listed below for computer models pre-installed with Windows.

The listed settings are active when the computer is connected to an electrical outlet. If your computer include a built-in battery pack, a different collection of time-out settings is set to take effect when the computer is operating on battery power.

Default power plan: Balanced

Turn off the display: after 10 minutes

Put the computer to sleep:

Copyright Lenovo 2021 17

after 10 minutes (ThinkBook 14 G3 ITL and ThinkBook 15 G3 ITL)

after 20 minutes (ThinkBook 14 G3 ACL and ThinkBook 15 G3 ACL)

Note: To wake the computer from the sleep state, press the power button or any key on the keyboard.

Change or customize a power plan This operation is applicable to computers with pre-installed Windows.

Step 1. Type power plan in the Windows search box and then press Enter.

Step 2. Customize a power plan of your preference.

Set performance mode Your computer can work in different performance modes. The performance and power consumption of the computer vary in different performance modes. Press Fn + Q to cycle through different performance modes.

Option Description

Intelligent Cooling The computer monitors what programs are running and automatically set the highest frequency for the processing unit.

Battery Saving The computer's processing unit does not operate at its highest frequency.

Extreme 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 F1 repeatedly.

Note: For computers with hotkey mode enabled, press Fn + F1.

Change the startup sequence (for ThinkBook 14 G3 ACL and ThinkBook 15 G3 ACL only) You may need to change the 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.

18 User Guide

Select boot devices (for ThinkBook 14 G3 ITL and ThinkBook 15 G3 ITL only) Normally, the computer starts to a boot manager loaded from the secondary storage device of the computer. Occasionally, you may need to start the computer to 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.

Step 2. Select Configuration Hotkey Mode and press Enter.

Step 3. Change the setting to Disabled or Enabled.

Step 4. Select Exit 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.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Configuration Always On USB and press Enter.

Step 3. Change the setting to Disabled or Enabled.

Step 4. Select Exit Exit Saving Changes.

Enable or disable Flip to Boot When Flip to Boot is enabled, you can turn on the computer by flipping open the screen.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Configuration.

Step 3. Change the setting for Flip to Boot.

Note: You may also set Flip to Boot in Lenovo Vantage or Lenovo PC Manager.

Set passwords in UEFI/BIOS setup utility This section introduces the types of passwords that you can set in the UEFI (Unified Extensible Firmware Interface) or BIOS (Basic Input/Output System) setup utility.

Password types You can set various types of passwords in the UEFI/BIOS setup utility.

Chapter 3. Explore your computer 19

Password type Pre-requisite Usage

Administrator password No You must enter it to start the setup utility.

User password The administrator password must be set.

You can use the user password to start the setup utility.

Master hard disk password No You must enter it to start the operating system.

User hard disk password The master hard disk password must be set.

You can use the user hard disk password to start the operating system.

Notes:

All passwords set in the setup utility consist of alphanumeric characters only.

If you start the setup utility using the user password, you can only change a few settings.

Set administrator password You set the administrator password to prevent unauthorized access to the UEFI/BIOS setup utility.

Attention: If you forget the administrator password, a Lenovo authorized service personnel cannot reset your password. You must take your computer to a Lenovo authorized service personnel to have the system board replaced. Proof of purchase is required and a fee will be charged for parts and service.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Security Set Administrator Password and press Enter.

Step 3. Enter a password string that contains only letters and numbers and then press Enter

Step 4. Enter the password again and press Enter.

Step 5. Select Exit Exit Saving Changes.

Next time you start the computer, you must enter the administrator password to open the setup utility. If Power on Password is enabled, you must enter the administrator password or the user password to start the computer.

Change or remove administrator password Only the administrator can change or remove the administrator password.

Step 1. Open the UEFI/BIOS setup utility using the administrator password.

Step 2. Select Security Set Administrator Password and press Enter.

Step 3. Enter the current password.

Step 4. In the Enter New Password text box, enter the new password.

Step 5. In the Confirm New Password text box, enter the new password again.

Note: If you want to remove the password, press Enter in both text boxes without entering any character.

Step 6. Select Exit Exit Saving Changes.

If you remove the administrator password, the user password is also removed.

20 User Guide

Set user password You must set the administrator password before you can set the user password.

The administrator of the setup utility might need to set a user password for use by others.

Step 1. Open the UEFI/BIOS setup utility using the administrator password.

Step 2. Select Security Set User Password and press Enter.

Step 3. Enter a password string that contains only letters and numbers and then press Enter. The user password must be different from the administrator password.

Step 4. Enter the password again and press Enter.

Step 5. Select Exit Exit Saving Changes.

Enable power-on password If the administrator password has been set, you can enable power-on password to enforce greater security.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Security Power on Password and press Enter.

Note: The administrator password must be set in advance.

Step 3. Change the setting to Enabled.

Step 4. Select Exit Exit Saving Changes.

If power-on password is enabled, a prompt appears on the screen every time you turn on the computer. You must enter the administrator or user password to start the computer.

Set hard disk password You can set a hard disk password in the setup utility to prevent unauthorized access to your data.

Attention: Be extremely careful when setting a hard disk password. If you forget the hard disk password, a Lenovo authorized service personnel cannot reset your password or recover data from the hard disk. You must take your computer to a Lenovo authorized service personnel to have the hard disk drive replaced. Proof of purchase is required and a fee will be charged for parts and service.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Security Set Hard Disk Password and press Enter.

Note: If you start the setup utility using the user password, you cannot set hard disk password.

Step 3. Follow on-screen instructions to set both master and user passwords.

Note: The master and user hard disk passwords must be set at the same time.

Step 4. Select Exit Exit Saving Changes.

If the hard disk password is set, you must provide the correct password to start the operating system.

Change or remove hard disk password Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Security.

Step 3. Change or remove the hard disk password.

Chapter 3. Explore your computer 21

To change or remove master password, select Change Master Password and press Enter.

Note: If you remove the master hard disk password, the user hard disk password is also removed.

To change user password, select Change User Password and press Enter.

Note: The user hard disk password cannot be removed separately.

Step 4. Select Exit Exit Saving Changes.

22 User Guide

Chapter 4. Help and support

Frequently asked questions How do I partition my storage drive?

Refer to https://support.lenovo.com/solutions/ht503851

What should I do if my computer stops responding.

Press and hold the power button until the computer turns off. Then restart the computer.

What should I do if I spill liquid on the computer?

1. Carefully unplug the ac power adapter and turn off the computer immediately. The more quickly you stop the current from passing through the computer the more likely you will reduce damage from short circuits.

Attention: Although you might lose some data or work by turning off the computer immediately, leaving the computer on might make your computer unusable.

2. Wait until you are certain that all the liquid is dry before turning on your computer.

CAUTION: Do not try to drain out the liquid by turning over the computer. If your computer has keyboard drainage holes on the bottom, the liquid will be drained out through the holes.

Where can I get the latest device drivers and UEFI/BIOS?

Lenovo Vantage or Lenovo PC Manager

Lenovo Support Web site at https://support.lenovo.com

Self-help resources Use the following self-help resources to learn more about the computer and troubleshoot problems.

Resources How to access?

Troubleshooting and frequently asked questions https://www.lenovo.com/tips

https://forums.lenovo.com

Accessibility information https://www.lenovo.com/accessibility

Reset or restore Windows

Use Lenovo recovery options.

1. Go to https://support.lenovo.com/ HowToCreateLenovoRecovery.

2. Follow the on-screen instructions.

Use Windows recovery options.

1. Go to https://pcsupport.lenovo.com.

2. Detect your computer or manually select your computer model.

3. Click Diagnostics Operating System Diagnostics and then follow the on-screen instructions.

Copyright Lenovo 2021 23

Resources How to access?

Use Lenovo Vantage or Lenovo PC Manager to:

Download and install the latest drivers and firmware.

Configure hardware settings

Diagnose computer hardware problems.

Check the computer warranty status.

Use Windows Search.

Product documentation:

Generic Safety and Compliance Notices

Safety and Warranty Guide

Setup Guide

This User Guide

Regulatory Notice

1. Go to https://support.lenovo.com.

2. Detect your computer or select computer model manually.

3. Select Documentation and filter out the documentation you want.

Lenovo Support Web site with the latest support information of the following:

Drivers and software

Diagnostic solutions

Product and service warranty

Product and parts details

Knowledge base and frequently asked questions

Visit https://support.lenovo.com

Windows help information

Use Get Help or Tips.

Use Windows Search or the Cortana personal assistant.

Microsoft support Web site: https:// support.microsoft.com

What is a CRU? Customer replaceable units (CRUs) are parts that can be upgraded or replaced by the customer. A Lenovo computer may contain the following types of CRUs:

Self-service CRU Parts that can be installed or replaced easily by customer themselves or by trained service technicians at an additional cost.

Optional-service CRU Parts that can be installed or replaced by customers with a greater skill level. Trained service technicians can also provide service to install or replace the parts under the type of warranty designated for the customers machine.

If you intend to install a CRU, Lenovo will ship the CRU to you. You might be required to return the defective part that is replaced by the CRU. When return is required: (1) return instructions, a prepaid shipping label, and a container will be included with the replacement CRU; and (2) you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty (30) days of your receipt of the replacement CRU. For full details, see the Lenovo Limited Warranty at https://www.lenovo.com/warranty/llw_ 02.

24 User Guide

CRUs for your product model The table below lists the CRUs and CRU types that are defined for your product model.

Part Self-service CRU Optional-service CRU

Power cord * X

ac power adapter X

* for selected models

Notes:

CRU replacement instruction is provided in one or more of the following publications and are available from Lenovo at any time upon your request.

the product User Guide

the printed publications that came with the product

Replacement of any parts not listed above, including the built-in rechargeable battery, must be done by a Lenovo-authorized repair facility or technician. Go to https://support.lenovo.com/partnerlocation for more information.

Call Lenovo If you have tried to correct the problem yourself and still need help, you can call Lenovo Customer Support Center.

Before you contact Lenovo Record product information and problem details before you contact Lenovo.

Product information Problem symptoms and details

Product name

Machine type and serial number

What is the problem? Is it continuous or intermittent?

Any error message or error code?

What operating system are you using? Which version?

Which software applications were running at the time of the problem?

Can the problem be reproduced? If so, how?

Note: The product name and serial number can usually be found on the bottom of the computer, either printed on a label or etched on the cover.

Lenovo Customer Support Center During the warranty period, you can call Lenovo Customer Support Center for help.

Telephone numbers

For a list of the Lenovo Support phone numbers for your country or region, go to https:// pcsupport.lenovo.com/supportphonelist.

Chapter 4. Help and support 25

Note: Phone numbers are subject to change without notice. If the number for your country or region is not provided, contact your Lenovo reseller or Lenovo marketing representative.

Services available during the warranty period

Problem determination - Trained personnel are available to assist you with determining if you have a hardware problem and deciding what action is necessary to fix the problem.

Lenovo hardware repair - If the problem is determined to be caused by Lenovo hardware under warranty, trained service personnel are available to provide the applicable level of service.

Engineering change management - Occasionally, there might be changes that are required after a product has been sold. Lenovo or your reseller, if authorized by Lenovo, will make selected Engineering Changes (ECs) that apply to your hardware available.

Services not covered

Replacement or use of parts not manufactured for or by Lenovo or nonwarranted parts Identification of software problem sources Configuration of UEFI/BIOS as part of an installation or upgrade Changes, modifications, or upgrades to device drivers Installation and maintenance of network operating systems (NOS) Installation and maintenance of programs

For the terms and conditions of the Lenovo Limited Warranty that apply to your Lenovo hardware product, see Warranty information in the Safety and Warranty Guide that comes with your computer.

Purchase additional services During and after the warranty period, you can purchase additional services from Lenovo at https:// pcsupport.lenovo.com/warrantyupgrade.

Service availability and service name might vary by country or region.

26 User Guide

Appendix A. Notices and trademarks

Notices

Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead. However, it is the user's responsibility to evaluate and verify the operation of any other product, program, or service.

Lenovo may have patents or pending patent programs covering subject matter described in this document. The furnishing of this document does not give you any license to these patents. You can send license inquiries, in writing, to: Lenovo (United States), Inc. 8001 Development Drive Morrisville, NC 27560 U.S.A. Attention: Lenovo Director of Licensing

LENOVO PROVIDES THIS PUBLICATION "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you.

Changes are made periodically to the information herein; these changes will be incorporated in new editions of the publication. To provide better service, Lenovo reserves the right to improve and/or modify the products and software programs described in the manuals included with your computer, and the content of the manual, at any time without additional notice.

The software interface and function and hardware configuration described in the manuals included with your computer might not match exactly the actual configuration of the computer that you purchase. For the configuration of the product, refer to the related contract (if any) or product packing list, or consult the distributor for the product sales. Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.

The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications or warranties. Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties. All information contained in this document was obtained in specific environments and is presented as an illustration. The result obtained in other operating environments may vary.

Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.

Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites. The materials at those Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at your own risk.

Copyright Lenovo 2021 27

Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary. Users of this document should verify the applicable data for their specific environment.

This document is copyrighted by Lenovo and is not covered by any open source license, including any Linux agreement(s) which may accompany software included with this product. Lenovo may update this document at any time without notice.

For the latest information or any questions or comments, contact or visit the Lenovo Web site:

https://support.lenovo.com

Trademarks

Lenovo and the Lenovo logo are trademarks of Lenovo. Thunderbolt is a trademark of Intel Corporation or its subsidiaries. Microsoft, Windows, Windows Hello, OneDrive, Outlook, Skype, Office 365, and Cortana are trademarks of the Microsoft group of companies. DisplayPort is a trademark of the Video Ele

Manualsnet FAQs

If you want to find out how the ThinkBook 14 Gen 3 ACL Lenovo works, you can view and download the Lenovo ThinkBook 14 Gen 3 ACL Laptop User Guide on the Manualsnet website.

Yes, we have the User Guide for Lenovo ThinkBook 14 Gen 3 ACL as well as other Lenovo manuals. All you need to do is to use our search bar and find the user manual that you are looking for.

The User Guide should include all the details that are needed to use a Lenovo ThinkBook 14 Gen 3 ACL. Full manuals and user guide PDFs can be downloaded from Manualsnet.com.

The best way to navigate the Lenovo ThinkBook 14 Gen 3 ACL Laptop User Guide is by checking the Table of Contents at the top of the page where available. This allows you to navigate a manual by jumping to the section you are looking for.

This Lenovo ThinkBook 14 Gen 3 ACL Laptop User Guide consists of sections like Table of Contents, to name a few. For easier navigation, use the Table of Contents in the upper left corner.

You can download Lenovo ThinkBook 14 Gen 3 ACL Laptop User Guide free of charge simply by clicking the “download” button in the upper right corner of any manuals page. This feature allows you to download any manual in a couple of seconds and is generally in PDF format. You can also save a manual for later by adding it to your saved documents in the user profile.

To be able to print Lenovo ThinkBook 14 Gen 3 ACL Laptop User Guide, simply download the document to your computer. Once downloaded, open the PDF file and print the Lenovo ThinkBook 14 Gen 3 ACL Laptop User Guide as you would any other document. This can usually be achieved by clicking on “File” and then “Print” from the menu bar.