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Lenovo ThinkPad L14 G4 User Manual
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Lenovo ThinkPad L14 G4 User Manual

Lenovo ThinkPad L14 G4 User Manual

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Summary of Contents for Lenovo ThinkPad L14 G4

  • Page 1 L14 Gen 4 and L15 Gen 4 User Guide...
  • Page 2 Generic Safety and Compliance Notices First Edition (March 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

    Chapter 6. CRU replacement ..41 Lenovo apps ....CRU list ....
  • Page 4 Appendix A. Compliance Appendix B. Notices and information ....63 trademarks ....65 L14 Gen 4 and L15 Gen 4 User Guide...

  • Page 5: Discover Your Lenovo Notebook

    Discover your Lenovo notebook ® Thank you for choosing a Lenovo notebook! We are dedicated to delivering the best solution to you. Before starting your tour, please read the following information: • Illustrations in this documentation might look different from your product.
  • Page 6 L14 Gen 4 and L15 Gen 4 User Guide...

  • Page 7: Chapter 1. Meet Your Computer

    Chapter 1. Meet your computer Front view 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 L14 Gen 4 and L15 Gen 4 User 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. Related topics •...

  • 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 L14 Gen 4 and L15 Gen 4 User 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 Statement on USB transfer rate Depending on many factors such as the processing capability of the host and peripheral devices, file...
  • Page 12 USB device Data rate (Gbit/s) 4 Gen 3 × 2 Thunderbolt 3 Thunderbolt 4 Related topics • “USB specifications” on page 9 • “Connect to the wired Ethernet” on page 11 • “Connect to an external display” on page 19 •...

  • Page 13: Rear View

    Rear view Nano-SIM-card tray * for selected models Related topics • “Connect to a cellular network (for selected models)” on page 12 Chapter 1 Meet your computer...

  • Page 14: 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 15: Features And Specifications

    Features and specifications Specification Description Double Data Rate 4 (DDR4) Small Outline Dual Inline Memory Module (SODIMM), Memory up to 64 GB Storage device One slot, 2242 M.2 solid-state drive, up to 2 TB • Dolby Audio™ Premium Audio ® •...
  • Page 16 • USB-C (Thunderbolt 3) connector • Connect to USB-C accessories to help expand your computer functionality. To purchase USB-C accessories, go to https:// • USB-C (Thunderbolt 4) connector www.lenovo.com/accessories • USB-C (USB 4) connector L14 Gen 4 and L15 Gen 4 User Guide...

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

    • For models with Windows 10: • For models with Windows 11: Connect to the wired Ethernet Connect your computer to a local network through the Ethernet connector on your computer with an Ethernet cable. © Copyright Lenovo 2023...

  • Page 18: Connect To A Cellular Network (For Selected Models)

    Connect to a cellular network (for selected models) To connect a 4G cellular data network, you must have a wireless wide area network (WWAN) card and a nano-SIM card installed. The nano-SIM card might come with your computer by countries or regions. If no nano-SIM card is shipped, you will need to purchase one from authorized service carriers.

  • Page 19: Interact With Your Computer

    Your computer provides you various ways to navigate the screen. Use the keyboard shortcuts The special keys on the keyboard help you work more effectively. https://support.lenovo.com/us/en/videos/vid500145 Key / Key combination Function Invoke the special function printed as an icon on each key or standard function of F1–F12 function keys.

  • Page 20: Use The Trackpoint Pointing Device

    Key / Key combination Function 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. Go to beginning Go to end Use the TrackPoint pointing device The TrackPoint pointing device enables you to perform all the functions of a traditional mouse, such as...
  • Page 21 Use the TrackPoint pointing device TrackPoint pointing stick Use your finger to apply pressure to the pointing-stick nonslip cap in any direction parallel to the keyboard. The pointer on the screen moves accordingly. The higher the pressure applied, the faster the pointer moves. TrackPoint buttons The left-click button and right-click button correspond to the left and right buttons on a traditional mouse.

  • Page 22: Use The Trackpad

    Use the trackpad You can use the trackpad to perform all the pointing, clicking, and scrolling functions of a traditional mouse. Use the trackpad Description Description Item Item Right-click zone Left-click zone L14 Gen 4 and L15 Gen 4 User Guide...

  • Page 23: Use The Touch Screen (For Selected Models)

    Use the touch gestures Illustration and description Illustration and description Tap once to select or open an item. Tap twice quickly to display a shortcut menu. Two-finger zoom in or zoom out. Scroll through items. Open the task view to see all open windows. Show the desktop.
  • Page 24 Note: Some gestures might not be available when you are using certain apps. Illustration and description Illustration and description Tap once to single click Tap twice quickly to double-click Tap and hold to right-click Slide to scroll through items Zoom out Zoom in L14 Gen 4 and L15 Gen 4 User Guide...

  • Page 25: Connect To An External Display

    Illustration and description Illustration and description Swipe from the left: view all open windows (Windows 10) Swipe from the right: open action center (Windows 10) Swipe from the left: open widget panel (Windows 11) Swipe from the right: open notification center (Windows Drag Swipe downwards shortly: show title bar Swipe downwards: close the current app...
  • Page 26 Supported resolution The following table lists the supported maximum resolution of the external display. Connect the external display to Supported resolution USB-C (3.2 Gen 2 / Thunderbolt 4) connector Up to 5K / 60 Hz Up to 4K / 60 Hz HDMI™...

  • Page 27: Chapter 3. Explore Your Computer

    This section provides introduction to Lenovo apps. Lenovo Commercial Vantage The Lenovo Commercial Vantage app (hereafter referred to as Vantage app) is a customized one-stop solution to help you maintain your computer with automated updates and fixes, configure hardware settings, and get personalized support.

  • Page 28: Intelligent Cooling

    Notes: • The available features vary depending on the computer model. • The Lenovo View app periodically updates features to improve your camera and video call experience. The feature description might be different from that on your actual user interface.

  • Page 29: Manage Power

    • When the auto mode is enabled – Auto mode: your computer is adjusted automatically to achieve the best mix of power consumption, battery life, computer performance, and fan speed based on the amount of system activity. For models with Windows 11 The intelligent Cooling feature is adjusted through Windows Settings.

  • Page 30: Charge The Computer

    Note: Some models may not ship with ac adapters or power cords. Use only the certified adapters and power cords provided by Lenovo that comply with the requirements of relevant national standards to charge the product. It is recommended to use the Lenovo qualified adapters. You can refer to https:// www.lenovo.com/us/en/compliance/eu-doc...

  • Page 31: Change The Power Settings

    Note: The actual charging speed of your computer depends on many factors, such as the remaining battery power of the computers, the wattage of the ac power adapter, and whether you are using the computers. Change the power settings ® For ENERGY STAR compliant computers, the following power plan takes effect by default when your computer is on ac power and has been idle for a specified duration:...

  • Page 32: Set Up An Nfc Connection (For Selected Models)

    Set up an NFC connection (for selected models) If your computer supports NFC, you will see an NFC mark or label around the trackpad area. To turn on NFC: 1. Type Airplane mode in the Windows search box and then press Enter. 2.

  • Page 33: Accessories

    Purchase accessories Lenovo has a number of hardware accessories and upgrades to help expand the functionalities of your computer. Options include memory modules, storage devices, network cards, port replicators or docking stations, batteries, power adapters, keyboards, mice, and more.
  • Page 34 L14 Gen 4 and L15 Gen 4 User Guide...

  • Page 35: 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 Log in with your fingerprint (for selected models) The fingerprint reader is integrated with the power button.

  • Page 36: Log In With Your Face Id (For Selected Models)

    PLP function enables your computer data to be saved timely. However, there is no guarantee that all data is saved in any situation. To check the type of your M.2 solid-state drive: 1. Restart the computer. When the logo screen is displayed, press F10 to enter the Lenovo diagnostics window.

  • Page 37: Set, Change, And Remove A Password

    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 38: Associate Your Fingerprints With Passwords (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 39: Fido (Fast Identity Online) Authentication

    When you start the computer again, you can use your fingerprints to log in to the computer without entering your Windows password, power-on password, or NVMe password. To change settings, press F1 to enter the UEFI BIOS menu, and then select Security ➙ Fingerprint. Attention: If you always use your fingerprint to log in to the computer, you might forget your passwords.
  • Page 40 But the power-on password / hard disk password / NVMe password still can be used normally in certificate mode if you have set one. For certificate enrollment, see Certificate Enrollment Guide at: https://support.lenovo.com/docs/certificate_ enrollment_guide Enter the BIOS menu with certificate Once you have enrolled the certificate, you can enter the BIOS menu with the certificate.

  • Page 41: Chapter 5. Configure Advanced Settings

    View UEFI BIOS Event logs The UEFI BIOS Event log viewer provides the brief information about UEFI BIOS events. Do the following to view the logs: 1. Restart the computer. When the logo screen is displayed, press F1. © Copyright Lenovo 2023...

  • Page 42: Detect Memory Retraining (For Intel Models Only)

    2. Select Main ➙ BIOS Event log. Then, press Enter. The UEFI BIOS Event log interface is displayed. 3. Navigate the interface by pressing the following keys, and then check details by selecting each item. • ↑↓: Move keyboard focus •...

  • Page 43: Customize Bios Defaults

    • Total Memory Encryption setting change in UEFI BIOS • Memory Reference Code (MRC) change when UEFI BIOS updates When memory retraining occurs, the screen might be blank. You might see the 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.

  • Page 44: Recover The Uefi Bios

    • 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, MRC change might cause memory retraining. Memory retraining is a process to initialize the memory module and run diagnostic tests for the memory module in your computer.
  • Page 45 Microsoft constantly makes updates to the Windows operating system. Before installing a particular Windows version, check the compatibility list for the Windows version. For details, go to https:// support.lenovo.com/us/en/solutions/windows-support Attention: • It is recommended that you update your operating system through official channels. Any unofficial update might cause security risks.
  • Page 46 L14 Gen 4 and L15 Gen 4 User Guide...

  • Page 47: 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 48: Replace A Cru

    1. Go to Control Panel and view by Large icons or Small icons. 2. Click Power Options, and then click Choose what the power buttons do on the left pane. 3. Click Change settings that are currently unavailable at the top. 4.
  • Page 49 For L14 Gen 4 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. Chapter 6 CRU replacement...
  • Page 50 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. Installation procedure Note: You might be instructed to slide the keyboard frame forward or backward in some of the following steps.
  • Page 51 2. Insert the keyboard into the keyboard bezel as shown. Ensure that the top edge of the keyboard (the edge that is close to the display) is under the keyboard bezel. 3. Slide the keyboard in the direction as shown. Ensure that the latches are secured under the keyboard frame.

  • Page 52: Base Cover Assembly

    4. Tighten the screws to secure the keyboard. 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.
  • Page 53 3. Close the computer display and turn over the computer. Removal procedure For L14 Gen 4 For L15 Gen 4 Chapter 6 CRU replacement...

  • Page 54: 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 55: 2242 M.2 Solid-State Drive And Its Bracket

    For access, do the following: 1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 41. 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 56 • Do not touch the contact edge or circuit board of the M.2 solid-state drive. Otherwise, the M.2 solid-state drive might get damaged. • Do not make the M.2 solid-state drive subject to physical shocks or vibration. Put the M.2 solid-state drive on a soft material, such as cloth, to absorb physical shocks.

  • Page 57: 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 58: 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 59 Removal procedure Chapter 6 CRU replacement...
  • Page 60 L14 Gen 4 and L15 Gen 4 User Guide...

  • Page 61: Chapter 7. Help And Support

    • From the Vantage app. See “Install a Windows operating system and drivers” Where can I get the latest device on page 38 and “Update UEFI BIOS” on page 38. drivers and UEFI BIOS? • Download from Lenovo Support Web site at https://pcsupport.lenovo.com © Copyright Lenovo 2023...

  • Page 62: 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 60. Message Solution The computer turned off because the battery power is low.

  • Page 63: 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 64: Self-Help Resources

    How to access? • https://www.lenovo.com/tips Troubleshooting and FAQ • https://forums.lenovo.com Accessibility information https://www.lenovo.com/accessibility • Use Lenovo recovery options. 1. Go to https://support.lenovo.com/ HowToCreateLenovoRecovery 2. Follow the on-screen instructions. • Use Windows recovery options. Reset or restore Windows 1. Go to https://pcsupport.lenovo.com...

  • Page 65: Windows Label

    In some cases, an earlier Windows version might be preinstalled under the terms of the Windows Pro edition license downgrade rights. 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 66: 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 67: Purchase Additional Services

    • 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, go to: •...
  • Page 68 L14 Gen 4 and L15 Gen 4 User Guide...
  • Page 69 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 70 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 71 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 72 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.

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