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Lenovo ThinkPad L15 Gen 3 User Manual
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Lenovo ThinkPad L15 Gen 3 User Manual

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Summary of Contents for Lenovo ThinkPad L15 Gen 3

  • Page 1 L14 Gen 3 and L15 Gen 3 User Guide...
  • Page 2 Generic Safety and Compliance Notices First Edition (March 2022) © Copyright Lenovo 2022. 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-...

  • Page 3: Table Of Contents

    Accessories ....Call Lenovo ....Purchase options ... .
  • Page 4 L14 Gen 3 and L15 Gen 3 User Guide...

  • Page 5: About This Documentation

    • Depending on the model, some optional accessories, features, software programs, and user interface instructions might not be applicable to your computer. • Documentation content is subject to change without notice. To get the latest documentation, go to https:// pcsupport.lenovo.com © Copyright Lenovo 2022...
  • Page 6 L14 Gen 3 and L15 Gen 3 User Guide...

  • Page 7: Chapter 1. Meet Your Computer

    Chapter 1. Meet your computer Front L14 Gen 3 © Copyright Lenovo 2022...
  • Page 8 L15 Gen 3 Webcam privacy shutter Infrared camera* / Camera* Microphone Touch screen ® Power button with fingerprint reader TrackPoint pointing stick NFC (near field communication) mark* Trackpad Speaker TrackPoint buttons * for selected models Webcam privacy shutter Slide the webcam privacy shutter to cover or uncover the camera lens. It is designed to protect your privacy. L14 Gen 3 and L15 Gen 3 User Guide...
  • Page 9 Chapter 1 Meet your computer...

  • Page 10: Side View

    Side view AMD models ® USB-C (3.2 Gen 1) power connector Ethernet connector USB-C (3.2 Gen 2) connector HDMI™ connector Always on USB 3.2 connector Gen 1 Audio connector Smart-card slot* microSD-card slot Security-lock slot USB 3.2 connector Gen 1 * for selected models L14 Gen 3 and L15 Gen 3 User Guide...
  • Page 11 Intel models USB-C (3.2 Gen 1) power connector Ethernet connector USB-C (Thunderbolt™ 4) connector HDMI connector Always on USB 3.2 connector Gen 1 Audio connector Smart-card slot* microSD-card slot Security-lock slot USB 3.2 connector Gen 1 * for selected models Chapter 1 Meet your computer...

  • Page 12: Rear View

    Rear view Nano-SIM-card tray * for selected models L14 Gen 3 and L15 Gen 3 User Guide...

  • Page 13: Bottom

    Bottom L14 Gen 3 L15 Gen 3 Emergency-reset hole Emergency-reset hole If the computer stops responding and you cannot turn it off by pressing the power button, reset your computer: 1. Disconnect your computer from ac power. 2. Insert a straightened paper clip into the hole to cut off power supply temporarily. 3.
  • Page 14 L14 Gen 3 and L15 Gen 3 User Guide...

  • Page 15: Usb Connectors

    • USB-C (Thunderbolt 3) connector functionality. To purchase USB-C accessories, go to https:// • USB-C (Thunderbolt 4) connector www.lenovo.com/accessories • USB 4 connector Statement on USB transfer rate Depending on many factors such as the processing capability of the host and peripheral devices, file...
  • Page 16 USB device Data rate (Gbit/s) Thunderbolt 3 Thunderbolt 4 L14 Gen 3 and L15 Gen 3 User Guide...

  • Page 17: Chapter 2. Get Started With Your Computer

    Your computer helps you connect to the world through a wired or wireless network. Connect to Wi-Fi networks 1. Click the system menu arrow on the top right. A list of available wireless networks is displayed. © Copyright Lenovo 2022...

  • Page 18: Airplane Mode

    Use the keyboard shortcuts The special keys on the keyboard help you work more effectively. https://support.lenovo.com/us/en/videos/vid500145 Invoke the special function printed as an icon on each key or standard function of F1–F12 function keys. FnLock indicator on: standard function...

  • Page 19: Use The Trackpoint Pointing Device

    Enable / disable airplane mode Open calculator (for L15 Gen 3 only) Enter sleep mode (for L15 Gen 3 only) Open Snipping Tool Toggle keyboard backlight (for selected models) Break operation Pause operation Scroll contents Send system request Enter sleep mode To wake up the computer, press Fn or the power button.
  • Page 20 Use the TrackPoint pointing device 1. Pointing stick Use your index finger or middle finger to apply pressure to the pointing-stick nonslip cap in any direction parallel to the keyboard. The pointer on the screen moves accordingly but the pointing stick itself does not move.

  • Page 21: Use The Trackpad

    Use the trackpad The entire trackpad surface is sensitive to finger touch and movement. You can use the trackpad to perform all the pointing, clicking, and scrolling functions of a traditional mouse. Tap on the surface of the trackpad with one finger to perform the left-click action, with two fingers to perform the right-click action. Use the touch gestures Tap anywhere on the trackpad with one finger to select or open an item.

  • Page 22: Use The Multi-Touch Screen (For Selected Models)

    Use the multi-touch screen (for selected models) If your computer display supports the multi-touch function, you can navigate the screen with simple touch gestures. Note: Some gestures might not be available depending on the app you use. Tap once • From the Start menu: Open an app or item. •...

  • Page 23: Connect To An External Display

    Move two fingers closer together Zoom out. Move two fingers farther apart Zoom in. Tips • Turn off the computer before cleaning the multi-touch screen. • Use a dry, soft, and lint-free cloth or a piece of absorbent cotton to remove fingerprints or dust from the multi-touch screen.
  • Page 24 Note: If you set a higher resolution for the computer display than the external display, only part of the screen can be displayed on the external display. L14 Gen 3 and L15 Gen 3 User Guide...

  • Page 25: Chapter 3. Explore Your Computer

    • Press Fn+H to switch to performance mode. Use the P-to-P 2.0 charging function The USB-C connector on the computer features the Lenovo-unique P-to-P 2.0 charging function. When no ac power is available, this feature enables one computer to supply power to another computer through a USB-C to USB-C cable.

  • Page 26: Connect To A Bluetooth-Enabled Device

    Table 1. Default power plan (when plugged into ac power) • Turn off the display: After 5 minutes • Put the computer to sleep: After 20 minutes To reset the power plan to achieve the best balance between performance and power saving: 1.

  • Page 27: Purchase Options

    Purchase options Lenovo has a number of hardware accessories and upgrades to help expand the capabilities of your computer. Options include memory modules, storage devices, network cards, port replicators or docking stations, batteries, power adapters, keyboards, mice, and more. To shop at Lenovo, go to https://www.lenovo.com/accessories...
  • Page 28 L14 Gen 3 and L15 Gen 3 User Guide...

  • Page 29: Chapter 4. Secure Your Computer And Information

    Note: The slot supports cable locks that conform to the Kensington MiniSaver lock standards using Cleat™ locking technology. You are responsible for evaluating, selecting, and implementing the locking device and security feature. Lenovo is not responsible for the locking device and security feature. You can purchase the cable locks at https://smartfind.lenovo.com Use the fingerprint reader (for selected models) If your computer comes with a fingerprint reader, you can use it to enroll your fingerprints.

  • Page 30: Use Privacy Protection (For Selected Models)

    The system management password can also protect the system information stored in UEFI BIOS like a supervisor password, but it has lower authority by default. The system management password can be set through the UEFI BIOS menu or through Windows Management Instrumentation (WMI) with the Lenovo client-management interface.

  • Page 31: Set, Change, And Remove A Password

    1. Restart the computer. When the logo screen is displayed, press F1 to enter the UEFI BIOS menu. 2. Select Security ➙ Password ➙ System Management Password Access Control. 3. Follow the on-screen instructions. If you have set both the supervisor password and the system management password, the supervisor password overrides the system management password.

  • Page 32: Use Power Loss Protection Function (For Selected Models)

    5. In the Changes have been saved window, press Enter. 6. Press F10 to save changes and exit the UEFI BIOS menu. • If you have not set a supervisor password, contact a Lenovo authorized service provider to have the power-on password removed.

  • Page 33: Chapter 5. Configure Advanced Settings

    Note: No bootable device is displayed if the computer cannot start from any devices or the operating system cannot be found. 3. Set the startup sequence as desired. 4. Press F10 to save the changes and exit. To change the startup sequence temporarily: © Copyright Lenovo 2022...

  • Page 34: Detect Memory Retraining

    • Go to and select the entry for your computer. Then, follow the on-screen https://pcsupport.lenovo.com instructions to download and install the latest UEFI BIOS update package. Note: During the UEFI BIOS update process, Memory Reference Code (MRC) change might cause memory retraining.

  • Page 35: Chapter 6. Cru Replacement

    If you intend on installing a CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You might be required to return the defective part that is replaced by the CRU.

  • Page 36: Replace A Cru

    1. Restart your computer. When the logo screen is displayed, immediately press F1 to enter the UEFI BIOS menu. 2. Select Config ➙ Power. The Power submenu is displayed. 3. Select Disable Built-in Battery and press Enter. 4. Select Yes in the Setup Confirmation window. The built-in battery is disabled and the computer turns off automatically.
  • Page 37 For L15 Gen 3 Installation procedure For L14 Gen 3 Chapter 6 CRU replacement...

  • Page 38: Wireless-Wan Card (For Selected Models)

    The following information is only for the computer with user-installable modules. Ensure that you use only a Lenovo-authorized wireless module specifically tested for this computer model. Otherwise, the computer will generate an error-code beep sequence when you turn on the computer.
  • Page 39 Type 1 Type 2 Chapter 6 CRU replacement...

  • Page 40: Memory Module

    Installation procedure Type 1 Type 2 Memory module Prerequisite Before you start, read Generic Safety and Compliance Notices and print the following instructions. Attention: Do not touch the contact edge of the memory module. Otherwise, the memory module might get damaged.

  • Page 41: M.2 Solid-State Drive

    1. Disable the built-in battery. See “Disable the built-in battery” on page 29. 2. Turn off the computer and disconnect the computer from ac power and all connected cables. 3. Close the computer display and turn the computer over. 4. Remove the base cover assembly. See “Base cover assembly” on page 30. Removal procedure Note: A Mylar film might cover the memory module.
  • Page 42 For access, do the following: 1. Disable the built-in battery. See “Disable the built-in battery” on page 29. 2. Turn off the computer and disconnect the computer from ac power and all connected cables. 3. Close the computer display and turn the computer over. 4.

  • Page 43: Speaker Assembly

    Type 2 Speaker assembly Prerequisite Before you start, read Generic Safety and Compliance Notices and print the following instructions. For access, do the following: 1. Disable the built-in battery. See “Disable the built-in battery” on page 29. 2. Turn off the computer and disconnect the computer from ac power and all connected cables. 3.

  • Page 44: Keyboard

    Keyboard Prerequisite Before you start, read Generic Safety and Compliance Notices and print the following instructions. For access, do the following: 1. Disable the built-in battery. See “Disable the built-in battery” on page 29. 2. Turn off the computer and disconnect the computer from ac power and all connected cables. Removal procedure Note: You might be instructed to slide the keyboard frame forward or backward in some of the following steps.
  • Page 45 2. Turn over the computer and open the display. Push the keyboard in the direction as shown by arrows to release the latches from the keyboard bezel. 3. Pivot the keyboard slightly upward and then turn over the keyboard 4. Put the keyboard on the palm rest as shown and detach the connectors. Then, remove the keyboard. Chapter 6 CRU replacement...
  • Page 46 Installation procedure Note: You might be instructed to slide the keyboard frame forward or backward in some of the following steps. In this case, ensure that you do not press or hold the keys while sliding the keyboard frame. Otherwise, the keyboard frame cannot be moved. 1.
  • Page 47 4. Tighten the screws to secure the keyboard. For L14 Gen 3 For L15 Gen 3 5. Connect the ac power adapter and all disconnected cables to the computer. Chapter 6 CRU replacement...
  • Page 48 L14 Gen 3 and L15 Gen 3 User Guide...

  • Page 49: Chapter 7. Help And Support

    2. In the Touchpad section, turn off the Touchpad control. Use the Software application to check for updates. It should notify when new Where can I get the latest device firmware is available on LVFS ( https://fwupd.org/ drivers and UEFI BIOS? © Copyright Lenovo 2022...

  • Page 50: Error Messages

    Error messages If you see a message that is not included in the following table, record the error message first, then shut down the computer and call Lenovo for help. See “Lenovo Customer Support Center” on page 48. Message Solution The computer turned off because the battery power is low.

  • Page 51: Beep Errors

    Beep errors Lenovo SmartBeep technology enables you to decode beep errors with your smartphone when a black screen occurs with beeps from your computer. To decode the beep error with Lenovo SmartBeep technology: 1. Go to or scan the following QR Code.

  • Page 52: Self-Help Resources

    The LLW also is preinstalled on the computer. To access the LLW, go to /opt/Lenovo If you cannot view the LLW either from the Web site or from your computer, contact your local Lenovo office or reseller to obtain a printed version of the LLW.

  • Page 53: Call Lenovo

    General Public License and/or the Lesser General Public License (or any other license requiring us to make a written offer to provide corresponding source code to you) from Lenovo for a period of three years without charge except for the cost of media, shipping, and handling, upon written request to Lenovo. This offer is valid to anyone in receipt of this Device.

  • Page 54: Lenovo Customer Support Center

    • 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.

  • Page 55: Purchase Additional Services

    • https://www.lenovo.com/warranty/llw_02 • https://pcsupport.lenovo.com/warrantylookup 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. Chapter 7 Help and support...
  • Page 56 L14 Gen 3 and L15 Gen 3 User Guide...

  • Page 57: Appendix A. Compliance Information

    – TP00134A1 – TP00134A2 • ThinkPad L15 Gen 3 • Intel models: 21C3 and 21C4 – TP00134A3 • ThinkPad L15 Gen 3 SWG • AMD models: 21C7 and 21C8 – TP00134A4 • ThinkPad L15 Gen 3 AMD • AMD models: –...
  • Page 58 The following illustration shows the antenna locations on your computer: Wireless LAN antenna (main) Wireless WAN antenna (main, for selected models) Wireless WAN antenna (auxiliary, for selected models) Wireless LAN antenna (auxiliary) Operating environment Maximum altitude (without pressurization) 3048 m (10 000 ft) Temperature •...

  • Page 59: Appendix B. Notices And Trademarks

    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 60 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.

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