Lenovo ThinkPad L14 Gen 4 LTE User manual

ThinkPad L14 Gen 4 and L15 Gen 4
User Guide

Read this first
Before using this documentation and the product it supports, ensure that you read and understand the
following
• Safety and Warranty Guide
• Setup Guide
• Generic Safety and Compliance Notices
Second Edition (July 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-
35F-05925.

Contents
Discover your Lenovo notebook iii
Chapter 1 Meet your computer 1
Front view . . . . . . . . . . . . . . . . . . 1
Side view . . . . . . . . . . . . . . . . . . 4
Rear view . . . . . . . . . . . . . . . . . . 7
Bottom view . . . . . . . . . . . . . . . . . 8
Features and specifications . . . . . . . . . . . 9
USB specifications. . . . . . . . . . . . . 9
Chapter 2 Get started with your
computer 11
Access networks . . . . . . . . . . . . . . 11
Connect to Wi-Fi networks. . . . . . . . . 11
Connect to the wired Ethernet . . . . . . . 11
Connect to a cellular network (for selected
models) . . . . . . . . . . . . . . . . 12
Turn on the Airplane mode . . . . . . . . . 12
Interact with your computer . . . . . . . . . . 13
Use the keyboard shortcuts . . . . . . . . 13
Use the TrackPoint pointing device . . . . . 14
Use the trackpad . . . . . . . . . . . . 16
Use the touch screen (for selected models) . . 17
Connect to an external display . . . . . . . 19
Chapter 3 Explore your computer 21
Lenovo apps . . . . . . . . . . . . . . . . 21
Lenovo Commercial Vantage . . . . . . . . 21
Lenovo View . . . . . . . . . . . . . . 21
Intelligent cooling . . . . . . . . . . . . . . 22
Manage power . . . . . . . . . . . . . . . 23
Check the battery status . . . . . . . . . 23
Charge the computer . . . . . . . . . . . 24
Change the power settings . . . . . . . . 25
Transfer data . . . . . . . . . . . . . . . . 25
Set up a Bluetooth connection . . . . . . . 25
Set up an NFC connection (for selected
models) . . . . . . . . . . . . . . . . 26
Use a smart card or microSD card (for
selected models) . . . . . . . . . . . . 26
Accessories . . . . . . . . . . . . . . . . 27
Purchase accessories . . . . . . . . . . 27
Chapter 4 Secure your computer
and information 29
Lock the computer . . . . . . . . . . . . . 29
Log in with your fingerprint (for selected models) . . 29
Log in with your face ID (for selected models) . . . 30
Protect data against power loss (for selected
models) . . . . . . . . . . . . . . . . . . 30
UEFI BIOS passwords . . . . . . . . . . . . 30
Password types . . . . . . . . . . . . . 30
Set, change, and remove a password . . . . 31
Associate your fingerprints with passwords
(for selected models) . . . . . . . . . . . 32
FIDO (Fast Identity Online) authentication. . . . . 33
Chapter 5 Configure advanced
settings 35
UEFI BIOS . . . . . . . . . . . . . . . . . 35
Enter the UEFI BIOS menu. . . . . . . . . 35
Navigate in the UEFI BIOS interface . . . . . 35
Set the system date and time. . . . . . . . 35
Change the startup sequence . . . . . . . 35
View UEFI BIOS Event logs . . . . . . . . 35
Detect memory retraining (for Intel models
only) . . . . . . . . . . . . . . . . . 36
Customize BIOS Defaults . . . . . . . . . 37
Reset system to factory defaults . . . . . . 37
Recover the UEFI BIOS . . . . . . . . . . 38
Update UEFI BIOS . . . . . . . . . . . . 38
Cloud bare metal recovery (for selected
models) . . . . . . . . . . . . . . . . 38
Install a Windows operating system and drivers . . 39
Chapter 6 CRU replacement 41
CRU list . . . . . . . . . . . . . . . . . . 41
Disable Fast Startup and the built-in battery. . . . 41
Replace a CRU . . . . . . . . . . . . . . . 42
Keyboard . . . . . . . . . . . . . . . 42
Base cover assembly . . . . . . . . . . . 46
Memory module . . . . . . . . . . . . . 48
2242 M.2 solid-state drive and its bracket . . . 49
Wireless WAN card (for selected models) . . . 51
Speaker assembly . . . . . . . . . . . . 52
Chapter 7 Help and support 55
Frequently asked questions . . . . . . . . . . 55
Error messages . . . . . . . . . . . . . . . 57
Beep errors . . . . . . . . . . . . . . . . 58
Self-help resources . . . . . . . . . . . . . 59
Windows label . . . . . . . . . . . . . . . 60
Call Lenovo . . . . . . . . . . . . . . . . 60
Before you contact Lenovo . . . . . . . . 60
Lenovo Customer Support Center . . . . . . 61
Purchase additional services. . . . . . . . . . 62
© Copyright Lenovo 2023 i

Appendix A Compliance
information 63
Appendix B Notices and
trademarks 65
ii ThinkPad L14 Gen 4 and L15 Gen 4 User Guide

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.
• 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 iii

iv ThinkPad L14 Gen 4 and L15 Gen 4 User Guide

Chapter 1 Meet your computer
Front view
L14 Gen 4
Item Description Item Description
Infrared camera / Camera Webcam privacy shutter
Microphone Touch screen
Power button with/without fingerprint
reader TrackPoint® pointing stick
© Copyright Lenovo 2023 1

Item Description Item Description
NFC (near field communication) mark Trackpad
TrackPoint buttons Speaker
* for selected models
L15 Gen 4
Item Description Item Description
Infrared camera / Camera Webcam privacy shutter
Microphone Touch screen
Power button with/without fingerprint
reader TrackPointTrackpad® pointing stick
2ThinkPad L14 Gen 4 and L15 Gen 4 User Guide

Item Description Item Description
NFC (near field communication) mark Trackpad
TrackPoint buttons Speaker
* 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
• “Use the TrackPoint pointing device” on page 14
• “Use the trackpad” on page 16
• “Use the touch screen (for selected models)” on page 17
• “Set up an NFC connection (for selected models)” on page 26
• “Log in with your fingerprint (for selected models)” on page 29
• “Log in with your face ID (for selected models)” on page 30
Chapter 1.Meet your computer 3

Side view
AMD models
Item Description Item Description
Ethernet connector USB-C® (3.2 Gen 2) power 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
USB-A 3.2 Gen 1 connector Security-lock slot
* for selected models
4ThinkPad L14 Gen 4 and L15 Gen 4 User Guide

Intel models
Item Description Item Description
Ethernet connector USB-C® (3.2 Gen 2) power 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
USB-A 3.2 Gen 1 connector Security-lock slot
* for selected models
Statement on USB transfer rate
Depending on many factors such as the processing capability of the host and peripheral devices, file
attributes, and other factors related to system configuration and operating environments, the actual transfer
rate using the various USB connectors 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
3.2 Gen 2 × 2 20
4 Gen 2 × 2 20
Chapter 1.Meet your computer 5

USB device Data rate (Gbit/s)
4 Gen 3 × 2 40
Thunderbolt 3 40
Thunderbolt 4 40
Related topics
• “USB specifications” on page 9
• “Connect to the wired Ethernet” on page 11
• “Connect to an external display” on page 19
• “Charge the computer” on page 24
• “Use a smart card or microSD card (for selected models)” on page 26
• “Lock the computer” on page 29
6ThinkPad L14 Gen 4 and L15 Gen 4 User Guide

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 7

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. Connect your computer to ac power and then turn on your computer.
8ThinkPad L14 Gen 4 and L15 Gen 4 User Guide

Features and specifications
Specification Description
Memory Double Data Rate 4 (DDR4) Small Outline Dual Inline Memory Module (SODIMM),
up to 64 GB
Storage device One slot, 2242 M.2 solid-state drive, up to 2 TB
Audio • Dolby Audio™ Premium
• Dolby Voice®
Display
• Color display with In-Plane Switching (IPS) or Twisted Nematic (TN) technology
• Display ratio 16 9
• Display resolution 1920 x 1080 pixels or 1366 x 768 pixels
• Multi-touch technology*
Security features
• Face authentication*
• Fingerprint reader* (integrated in power button)
• Trusted Platform Module (TPM)*
Wireless features
• Bluetooth
• NFC*
• GPS (on wireless WAN model)*
• Wireless LAN
• Wireless WAN (4G)*
Note: The 4G cellular service is provided by authorized mobile service carriers
in some countries or regions. You must have a cellular plan from a service
carrier to connect to the cellular network. The cellular data plan might vary by
location.
* for selected models
USB specifications
Note: Depending on the model, some USB connectors might not be available on your computer.
Chapter 1.Meet your computer 9

Connector name Description
• USB-A 2.0 connector
• USB-A 3.2 Gen 1 connector
• USB-A 3.2 Gen 2 connector
Connect USB-compatible devices, such as a USB keyboard, USB
mouse, USB storage device, or USB printer.
• USB-C (3.2 Gen 1) connector
• USB-C (3.2 Gen 2) connector
• USB-C (Thunderbolt 3) connector
• USB-C (Thunderbolt 4) connector
• USB-C (USB 4) connector
• Charge USB-C compatible devices with the following output
voltage and current
– AMD models 5 V and 1.5 A
– Intel models 5 V and 3 A
• Connect to an external display
– USB-C to VGA up to 1920 x 1200 pixels, 60 Hz
– USB-C to DP
– AMD models up to 5120 x 2880 pixels, 60 Hz
– Intel models up to 5120 x 3200 pixels, 60 Hz
• Connect to USB-C accessories to help expand your computer
functionality. To purchase USB-C accessories, go to https //
www.lenovo.com/accessories.
10 ThinkPad L14 Gen 4 and L15 Gen 4 User Guide

Chapter 2 Get started with your computer
Access networks
This section helps you connect to a wireless or wired network.
Connect to Wi-Fi networks
Click the network icon in the Windows® notification area, and then select a network for connection. Provide
required information, if needed.
• 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 11

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.
Notes:
• Depending on model, your computer might have no WWAN card installed.
• The 4G cellular service is provided by authorized mobile service carriers in some countries or regions. You
must have a cellular plan from a service carrier to connect to the cellular network. The cellular data plan
might vary by location.
• Network connection speeds might also vary by location, environment, network conditions and other
factors.
To establish a cellular connection
1. Turn off the computer.
2. Insert a straightened paper clip into the hole in the nano-SIM-card tray. The tray ejects. Install a nano-
SIM card as shown and insert the tray into the nano-SIM card slot. Note the orientation of the card and
ensure that it is seated correctly.
3. Turn on the computer.
4. Click the network icon, and then select the cellular network icon from the list. Provide required
information, if needed.
Turn on the Airplane mode
When the Airplane mode is enabled, all wireless features are disabled.
1. Type Airplane mode in the Windows search box and then press Enter.
2. Turn on the Airplane mode.
12 ThinkPad L14 Gen 4 and L15 Gen 4 User Guide

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.
FnLock indicator on standard function
FnLock indicator off special function
Enable / disable speakers
Decrease volume
Increase volume
Enable / disable microphones
Darken display
Brighten display
Manage external displays
Enable / disable airplane mode
Open notification center
Answer incoming calls on Microsoft Teams®
Decline incoming calls on Microsoft Teams
Customize the function of this key on the Vantage app
+
Open Magnifier
+
Open calculator(for L15 Gen 4 Only)
Chapter 2.Get started with your computer 13

Key / Key combination Function
+
Enter sleep mode(for L15 Gen 4 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.
+
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
pointing, clicking, and scrolling.
14 ThinkPad L14 Gen 4 and L15 Gen 4 User Guide