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 G4 IAP 21DH ThinkBook 14 G4 ABA 21DK...
Base Figure 1. Base view—14-inch models Figure 2. Base view—15-inch models 1. Wireless antennas Send and receive radio waves for the built-in wireless LAN (local area network) and Bluetooth module. Note: The antennas are not visible from the outside of the computer. 2.
Page 9
3. Power/Fingerprint reader light* This light indicates the power status of the computer. It can also prompt you to touch the fingerprint reader for signing in or identity verification. • Solid white: The computer is turned on. • Solid green: The fingerprint reader is waiting to enroll or scan your fingerprint.
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. 7. Novo button hole Press the Novo button to open the Novo Button menu.
Right 1. SD card slot Insert an SD card or a MultiMediaCard (MMC) into the slot for data transfer or storage. 2. USB port This USB port utilizes the USB Standard-A connector. It supports SuperSpeed USB 5 Gbps and is backwards compatible with USB 2.0. 3.
Features and specifications Dimensions • ThinkBook 14 G4 IAP and ThinkBook 14 G4 ABA – Width: 323.9 mm – Depth: 218 mm – Thickness: 17.9 mm • ThinkBook 15 G4 IAP and ThinkBook 15 G4 ABA – Width: 357 mm –...
Connectors and slots • Combo audio jack • Ethernet connector • USB Standard-A connector × 2 – Supports SuperSpeed USB 5 Gbps and backwards compatible with USB 2.0. – Power output up to 5 V and 0.9 A – Power output up to 5 V and 2 A (the always-on USB port) •...
USB device Data rate (Gbit/s) 3.2 Gen 1 3.2 Gen 2 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) –...
If night light mode is turned on, you can adjust the color temperature of the temperature 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.
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.
End a Microsoft Teams call. Open the Windows Calculator app. Display an app launcher for quick access to Lenovo apps and services. Note: For some models, you may need to connect to the Internet and complete system update for this function to take effect.
Fn key. 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.
Page 21
Touch operation Used for Zooming out Pinch Zooming in Spread Opening the widgets panel Swipe in from the left edge Opening the notification center Swipe in from the right edge The Windows operating system also supports 3- and 4-finger gestures on the screen and the touchpad. You can set them up in Settings ➙...
10°C (50°F) and 35°C (95°F). 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.
Step 1. Turn on or restart the computer. Step 2. When the Lenovo logo appears on the screen, press F1 repeatedly. Select boot devices Normally, the computer starts to a boot manager loaded from the secondary storage device of the computer.
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.
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.
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.
Where can I get the latest device • Lenovo Vantage or Lenovo PC Manager drivers and UEFI/BIOS? • Lenovo Support Web site at https://support.lenovo.com...
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;...
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.
• 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.
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.
Page 34
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.