Lenovo 21C3S0RL00 User manual

ThinkPad L14 Gen 3 and ThinkPad L15 Gen 3
User Guide

Read this first
Before using this documentation and the product it supports, ensure that you read and understand the
follo ing:
• Safety and Warranty Guide
• Setup Guide
• Generic Safety and Compliance Notices
Third Edition (June 2023)
© Copyright Lenovo 2022, 2023.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or soft are 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
iscover your Lenovo notebook. . . . . iii
Chapter 1. Meet your computer . . . . . 1
Front vie . . . . . . . . . . . . . . . . . . 1
Side vie . . . . . . . . . . . . . . . . . . 4
Rear vie . . . . . . . . . . . . . . . . . . 6
Bottom vie . . . . . . . . . . . . . . . . . 7
Features and specifications . . . . . . . . . . . 9
USB specifications. . . . . . . . . . . . . 9
Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . 11
Access net orks . . . . . . . . . . . . . . 11
Connect to Wi-Fi net orks. . . . . . . . . 11
Connect to the ired Ethernet (for selected
models) . . . . . . . . . . . . . . . . 11
Connect to a cellular net ork (for selected
models) . . . . . . . . . . . . . . . . 12
Turn on the Airplane mode . . . . . . . . . 12
Interact ith your computer . . . . . . . . . . 13
Use the keyboard shortcuts . . . . . . . . 13
Use the TrackPoint pointing device . . . . . 14
Use the trackpad . . . . . . . . . . . . 15
Use the touch screen (for selected models) . . 17
Connect to an external display . . . . . . . 19
Chapter 3. Explore your computer . . 21
Lenovo Commercial Vantage . . . . . . . . . 21
Smart features (for selected models). . . . . . . 21
Intelligent cooling . . . . . . . . . . . . . . 24
Manage po er . . . . . . . . . . . . . . . 25
Check the battery status . . . . . . . . . 25
Charge the computer . . . . . . . . . . . 25
Change the po er settings . . . . . . . . 27
Transfer data . . . . . . . . . . . . . . . . 27
Set up a Bluetooth connection . . . . . . . 27
Set up an NFC connection (for selected
models) . . . . . . . . . . . . . . . . 27
Use a smart card or microSD card (for
selected models) . . . . . . . . . . . . 28
Accessories . . . . . . . . . . . . . . . . 29
Purchase accessories . . . . . . . . . . 29
Chapter 4. Secure your computer
and information . . . . . . . . . . . . 31
Lock the computer . . . . . . . . . . . . . 31
Log in ith your fingerprint(for selected models) . . 31
Log in ith your face ID (for selected models) . . . 32
Protect data against po er loss (for selected
models) . . . . . . . . . . . . . . . . . . 32
UEFI BIOS pass ords . . . . . . . . . . . . 32
Pass ord types . . . . . . . . . . . . . 32
Set, change, and remove a pass ord . . . . 33
Associate your fingerprints ith pass ords
(for selected models) . . . . . . . . . . . 34
Chapter 5. Configure advanced
settings. . . . . . . . . . . . . . . . . 37
UEFI BIOS . . . . . . . . . . . . . . . . . 37
Enter the UEFI BIOS menu. . . . . . . . . 37
Navigate in the UEFI BIOS interface . . . . . 37
Set the system date and time. . . . . . . . 37
Change the startup sequence . . . . . . . 37
Vie UEFI BIOS Event logs . . . . . . . . 37
Detect memory retraining (for Intel models
only) . . . . . . . . . . . . . . . . . 38
Reset system to factory defaults . . . . . . 39
Recover the UEFI BIOS . . . . . . . . . . 39
Update UEFI BIOS . . . . . . . . . . . . 39
FIDO (Fast Identity Online) authentication. . . . . 40
Install a Windo s operating system and drivers . . 41
Chapter 6. CRU replacement . . . . . 43
CRU list . . . . . . . . . . . . . . . . . . 43
Disable Fast Startup and the built-in battery. . . . 43
Replace a CRU . . . . . . . . . . . . . . . 44
Base cover assembly . . . . . . . . . . . 44
Wireless WAN card (for selected models) . . . 46
Memory module . . . . . . . . . . . . . 49
2242 M.2 solid-state drive . . . . . . . . . 50
Speaker assembly . . . . . . . . . . . . 52
Keyboard . . . . . . . . . . . . . . . 52
Chapter 7. Help and support . . . . . 57
Frequently asked questions . . . . . . . . . . 57
Error messages . . . . . . . . . . . . . . . 59
Beep errors . . . . . . . . . . . . . . . . 60
Self-help resources . . . . . . . . . . . . . 61
Windo s label . . . . . . . . . . . . . . . 62
Call Lenovo . . . . . . . . . . . . . . . . 62
Before you contact Lenovo . . . . . . . . 62
Lenovo Customer Support Center . . . . . . 63
Purchase additional services. . . . . . . . . . 64
Appendix A. Compliance
information . . . . . . . . . . . . . . . 65
© Copyright Lenovo 2022, 2023 i

Appendix B. Notices and
trademarks . . . . . . . . . . . . . . . 67
ii ThinkPad L14 Gen 3 and ThinkPad L15 Gen 3 User Guide

iscover 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 follo ing information:
• Illustrations in this documentation might look different from your product.
• Depending on the model, some optional accessories, features, soft are programs, and user interface
instructions might not be applicable to your computer.
• Documentation content is subject to change ithout notice. To get the latest documentation, go to https://
pcsupport.lenovo.com.
© Copyright Lenovo 2022, 2023 iii

iv ThinkPad L14 Gen 3 and ThinkPad L15 Gen 3 User Guide

Chapter 1. Meet your computer
Front view
L14 Gen 3
© Copyright Lenovo 2022, 2023 1

L15 Gen 3
Item escription Item escription
Infrared camera / Camera Webcam privacy shutter
Microphone Touch screen
Po er button ith fingerprint reader TrackPoint® pointing stick
NFC (near field communication) mark Trackpad
TrackPoint buttons Speaker
* for selected models
2ThinkPad L14 Gen 3 and ThinkPad L15 Gen 3 User Guide

Webcam privacy shutter
Slide the ebcam 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 15
• “Use the touch screen (for selected models)” on page 17
• “Set up an NFC connection (for selected models)” on page 27
• “Log in ith your fingerprint(for selected models)” on page 31
• “Log in ith your face ID (for selected models)” on page 32
Chapter 1.Meet your computer 3

Side view
AM models
Item escription Item escription
Ethernet connector USB-C® (3.2 Gen 1) po er connector
USB-C (3.2 Gen 2) connector HDMI™ connector
Al ays On USB 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 3 and ThinkPad L15 Gen 3 User Guide

Intel models
Item escription Item escription
Ethernet connector USB-C (3.2 Gen 1) po er connector
USB-C (Thunderbolt™ 4) connector HDMI connector
Al ays On USB 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
Related topics
• “USB specifications” on page 9
• “Connect to the ired Ethernet (for selected models)” on page 11
• “Charge the computer” on page 25
• “Use a smart card or microSD card (for selected models)” on page 28
• “Lock the computer” on page 31
Chapter 1.Meet your computer 5

Rear view
Item escription
Nano-SIM-card tray
* for selected models
Related topics
• “Connect to a cellular net ork (for selected models)” on page 12
6ThinkPad L14 Gen 3 and ThinkPad L15 Gen 3 User Guide

Bottom view
L14 Gen 3
L15 Gen 3
Item escription
Emergency-reset hole
Emergency-reset hole
If the computer stops responding and you cannot turn it off by pressing the po er button, reset your
computer:
1. Disconnect your computer from ac po er.
2. Insert a straightened paper clip into the hole to cut off po er supply temporarily.
Chapter 1.Meet your computer 7

3. Connect your computer to ac po er and then turn on your computer.
8ThinkPad L14 Gen 3 and ThinkPad L15 Gen 3 User Guide

Features and specifications
For detailed specifications of your computer, go to https://psref.lenovo.com and search by product.
Specification escription
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 1 TB
Audio • Dolby Audio™ Premium
• Dolby Voice®
isplay
• Color display ith In-Plane S itching (IPS) or T isted 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 po er button)
• Glance Privacy Guard*
• Glance Privacy Alert*
• Trusted Platform Module (TPM)*
Wireless features
• Bluetooth
• NFC*
• GPS (on ireless 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 net ork. 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 escription
• USB 2.0 connector
• USB 3.2 connector Gen 1
• USB 3.2 connector Gen 2
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 4 connector
• Charge USB-C compatible devices ith the follo ing 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://
.lenovo.com/accessories.
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 ill vary and ill be slo er than the data rate listed
belo for each corresponding device.
USB device ata rate (Gbit/s)
3.2 Gen 1 / 3.1 Gen 1 5
3.2 Gen 2 / 3.1 Gen 2 10
3.2 Gen 2 × 2 20
4 Gen 2 × 2 20
4 Gen 3 × 2 40
Thunderbolt 3 40
Thunderbolt 4 40
10 ThinkPad L14 Gen 3 and ThinkPad L15 Gen 3 User Guide

Chapter 2. Get started with your computer
Access networks
This section helps you connect to a ireless or ired net ork.
Connect to Wi-Fi networks
Click the net ork icon in the Windo s® notification area, and then select a net ork for connection. Provide
required information, if needed.
• For models ith Windo s 10:
• For models ith Windo s 11:
Connect to the wired Ethernet (for selected models)
Connect your computer to a local net ork through the Ethernet connector on your computer ith an
Ethernet cable.
© Copyright Lenovo 2022, 2023 11

Connect to a cellular network (for selected models)
To connect a 4G cellular data net ork, you must have a ireless ide area net ork (WWAN) card and a
nano-SIM card installed. The nano-SIM card might come ith your computer by countries or regions. If no
nano-SIM card is shipped, you ill 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 net ork. The cellular data plan
might vary by location.
• Net ork connection speeds might also vary by location, environment, net ork 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 sho n 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 net ork icon, and then select the cellular net ork icon from the list. Provide required
information, if needed.
Turn on the Airplane mode
When the Airplane mode is enabled, all ireless features are disabled.
1. Type Airplane mode in the Windo s search box and then press Enter.
2. Turn on the Airplane mode.
12 ThinkPad L14 Gen 3 and ThinkPad L15 Gen 3 User Guide

Interact with your computer
Your computer provides you various ays to navigate the screen.
Use the keyboard shortcuts
The special keys on the keyboard help you ork 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
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
Ans er 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 3 only)
+
Enter sleep mode (for L15 Gen 3 only)
Chapter 2.Get started ith your computer 13

+
Open Snipping Tool
+
Toggle keyboard backlight (for selected models)
+
Break operation
+
Pause operation
+
Scroll contents
+
Send system request
+
Enter sleep mode
To ake up the computer, press Fn or the po er 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.
Use the TrackPoint pointing device
14 ThinkPad L14 Gen 3 and ThinkPad L15 Gen 3 User Guide