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Lenovo ThinkPad L15 Gen 4 IGEL User Manual
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Lenovo ThinkPad L15 Gen 4 IGEL User Manual

Lenovo ThinkPad L15 Gen 4 IGEL User Manual

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ThinkPad L14 Gen 4 and L15 Gen 4 IGEL
User Guide

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Summary of Contents for Lenovo ThinkPad L15 Gen 4 IGEL

  • Page 1 ThinkPad L14 Gen 4 and L15 Gen 4 IGEL User Guide...
  • Page 2 Generic Safety and Compliance Notices First Edition (August 2023) © Copyright Lenovo 2023. 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 ThinkPad L14 Gen 4 and L15 Gen 4 IGELUser 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 2023...
  • Page 6 ThinkPad L14 Gen 4 and L15 Gen 4 IGELUser Guide...

  • Page 7: Chapter 1. Meet Your Computer

    Chapter 1. Meet your computer Front L14 Gen 4 Description Description Item Item Webcam privacy shutter Infrared camera / Camera Microphone Touch screen Power button with/without fingerprint ® TrackPoint pointing stick reader © Copyright Lenovo 2023...
  • Page 8 Description Description Item Item NFC (near field communication) mark Trackpad Speaker TrackPoint buttons * for selected models L15 Gen 4 Description Description Item Item Webcam privacy shutter Infrared camera / Camera Microphone Touch screen Power button with/without fingerprint ® TrackPoint pointing stick reader ThinkPad L14 Gen 4 and L15 Gen 4 IGELUser Guide...
  • Page 9 Description Description Item Item 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. Chapter 1 Meet your computer...

  • Page 10: Side View

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

  • Page 12: Rear View

    Rear view Nano-SIM-card tray * for selected models ThinkPad L14 Gen 4 and L15 Gen 4 IGELUser Guide...

  • Page 13: Bottom View

    Bottom view L14 Gen 4 L15 Gen 4 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: 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 15 USB device Data rate (Gbit/s) Thunderbolt 3 Thunderbolt 4 Chapter 1 Meet your computer...
  • Page 16 ThinkPad L14 Gen 4 and L15 Gen 4 IGELUser 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 on the WiFi tray icon and select Manage Wireless Networks to launch the Wireless Manager tool. 2. Search for available networks and select a network for connection. © Copyright Lenovo 2023...

  • Page 18: Airplane Mode

    Notes: Ensure that the Wireless Manager is enabled: 1. Click on the wrench icon in the Quick Start Panel to open Setup. 2. Select Network ➙ Lan Interfaces ➙ Wireless. For more details on managing WiFi networks, see https://kb.igel.com/wireless-manager Advanced settings are available under Setup ➙ Network ➙ Lan Interfaces ➙ Wireless. For more details, https://kb.igel.com/setup/wireless Airplane mode When the Airplane mode is enabled, all wireless features are disabled.

  • Page 19: Use The Trackpoint Pointing Device

    Key / Key combination Function Enable / disable microphones Darken display Brighten display Manage external displays Enable / disable airplane mode Toggle keyboard backlight (for selected models) * for selected models Use the TrackPoint pointing device The TrackPoint pointing device enables you to perform all the functions of a traditional mouse, such as pointing, clicking, and scrolling.

  • Page 20: Use The Trackpad

    Press to display a shortcut menu. 4. Middle button Press and hold the dotted middle button while applying pressure to the pointing stick in the vertical or horizontal direction. Then, you can scroll through the document, Web site, or apps. Replace the pointing-stick nonslip cap Note: Ensure that the new cap has grooves Use the trackpad...

  • Page 21: Use The Multi-Touch Screen (For Selected Models)

    Description Illustration Two-finger zoom out Put two fingers on the trackpad and move them closer together to zoom out. Two-finger zoom in Put two fingers on the trackpad and move them farther apart to zoom Notes: • When using two or more fingers, ensure that you position your fingers slightly apart. •...

  • Page 22: Connect To An External Display

    Description Illustration Tap and hold Open a shortcut menu. Slide Scroll through items, such as lists, pages, and photos. Drag an item to the location you want Move an object. Move two fingers closer together Zoom out. Move two fingers farther apart Zoom in.
  • Page 23 Connect to a wired display and change display settings 1. Connect the external display to an appropriate video connector on your computer. 2. Connect the external display to an electrical outlet. 3. Turn on the external display. You can use the IGEL Display Switch tool to detect the external display and change display settings. Do the following to launch the tool: 1.
  • Page 24 ThinkPad L14 Gen 4 and L15 Gen 4 IGELUser 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

    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.

  • Page 27: Chapter 4. Secure Your Computer And Information

    Note: The slot supports cable locks that conform to the Kensington NanoSaver 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 28: Use Passwords

    Use passwords This section introduces types of passwords in UEFI (Unified Extensible Firmware Interface) BIOS (Basic Input/Output System) and how to set, change, and remove a password. Password types You can set a power-on password, supervisor password, system management password, or NVMe password in UEFI BIOS to prevent unauthorized access to your computer.

  • Page 29: Set, Change, And Remove A Password

    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 30: 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 system management password removed.

  • Page 31: 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. © Copyright Lenovo 2023...

  • Page 32: Detect Memory Retraining (For Intel Models Only)

    • Use the fwupdmgr or software utility to check LVFS for firmware updates. • 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. ThinkPad L14 Gen 4 and L15 Gen 4 IGELUser Guide...
  • Page 33 LED indicators on Esc, F1, and F4 blinking sequentially to indicate the progress. Do not press the power button to interrupt the process. Wait a few minutes until the logo screen is displayed. To know more about UEFI BIOS, visit Knowledge Base of your computer at https://pcsupport.lenovo.com Chapter 5 Configure advanced settings...
  • Page 34 ThinkPad L14 Gen 4 and L15 Gen 4 IGELUser Guide...

  • 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 4 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.
  • Page 38 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 39 3. Slide the keyboard in the direction as shown. Ensure that the latches are secured under the keyboard frame. 4. Tighten the screws to secure the keyboard. Chapter 6 CRU replacement...

  • Page 40: Base Cover Assembly

    For L14 Gen 4 For L15 Gen 4 5. Connect the ac power adapter and all disconnected cables to the computer. Base cover assembly Prerequisite Before you start, read Generic Safety and Compliance Notices and print the following instructions. Note: Do not remove the base cover assembly when your computer is connected to ac power. Otherwise, there might be a risk of short circuits.
  • Page 41 Removal procedure For L14 Gen 4 For L15 Gen 4 Chapter 6 CRU replacement...

  • Page 42: Memory Module

    Installation procedure For L14 Gen 4 For L15 Gen 4 Troubleshooting If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power adapter and then reconnect it to the computer. Memory module Prerequisite Before you start, read Generic Safety and Compliance Notices and print the following instructions.

  • Page 43: 2242 M.2 Solid-State Drive And Its Bracket

    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 44 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 45: 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 46: Speaker Assembly

    Installation procedure Note: When you install the wireless WAN card, ensure that you connect the orange cable to the main connector on the card, and the blue cable to the auxiliary connector on the card. Speaker assembly Prerequisite Before you start, read Generic Safety and Compliance Notices and print the following instructions.
  • Page 47 Removal procedure Chapter 6 CRU replacement...
  • Page 48 ThinkPad L14 Gen 4 and L15 Gen 4 IGELUser Guide...

  • Page 49: Chapter 7. Help And Support

    2. In the Touchpad section, turn off the Enable Touchpad on Boot option. How do I disable my trackpad? Disable the trackpad by pressing Hotkey. For details, see https://kb.igel.com/ igelos-11.08.330/en/touchpad-88021899.html Note: The link is version specific. © Copyright Lenovo 2023...

  • 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

    To view additional information regarding licenses, acknowledgments and required copyright notices for the open source software shipped on your Device, go to /usr/share/licences/*. 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 Prepare the following before you contact Lenovo: 1.

  • 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://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 ThinkPad L14 Gen 4 and L15 Gen 4 IGELUser Guide...

  • Page 57: Appendix A. Compliance Information

    China only / for India only Further compliance information related to your product is available at https://www.lenovo.com/compliance Locate the UltraConnect wireless antennas Your computer has an UltraConnect™ wireless antenna system. You can enable wireless communication wherever you are. © Copyright Lenovo 2023...
  • 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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