Lenovo 21A2 User Manual Download Page 12 | Manualshive

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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.

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User Guide

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Summary of Contents for 21A2

Page 1: ...User Guide Lenovo ThinkBook 14 Gen 3 and Lenovo ThinkBook 15 Gen 3 ...

Page 2: ...afety 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 ...

Page 3: ...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 18 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 pa...

Page 4: ...ii User Guide ...

Page 5: ... 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 ...

Page 6: ...iv User Guide ...

Page 7: ...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 ...

Page 8: ...Base Figure 2 Base view ThinkBook 14 G3 ITL and ThinkBook 14 G3 ACL Figure 3 Base view ThinkBook 15 G3 ITL and ThinkBook 15 G3 ACL 2 User Guide ...

Page 9: ...our 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 ...

Page 10: ... 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...

Page 11: ...ry 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 ...

Page 12: ... 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 ...

Page 13: ...re 7 Bottom view ThinkBook 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 ...

Page 14: ...5 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 har...

Page 15: ...p 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...

Page 16: ...ctors 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 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...

Page 17: ...ter 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 s...

Page 18: ...novo 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 fre...

Page 19: ...n 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 Microsof...

Page 20: ...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 ...

Page 21: ...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 ...

Page 22: ...16 User Guide ...

Page 23: ...o 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 con...

Page 24: ...s 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 se...

Page 25: ...ay 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 Password type Pre requisite Usage Administrator ...

Page 26: ...d 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...

Page 27: ... 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...

Page 28: ...22 User Guide ...

Page 29: ...y 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 an...

Page 30: ...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 customer...

Page 31: ...d 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 softw...

Page 32: ...ller 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 maintena...

Page 33: ...ht 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 configura...

Page 34: ...duct 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 trade...

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