Lenovo ThinkPad L15 Gen 4 AMD User Manual

ThinkPad L14 Gen 4 and L15 Gen 4
User Guide

Lenovo ThinkPad L15 Gen 4 AMD Specifications

General

Brand	Lenovo
Model	ThinkPad L15 Gen 4 AMD
Category	Laptop
Language	English

Summary

Chapter 1. Meet your computer

Front view

Identifies key components of the computer's front view, including cameras, microphone, and power button.

Side view

Details the ports and connectors on the side of AMD and Intel models.

Features and specifications

Details memory, storage, audio, display, security, and wireless features and specifications.

Chapter 2. Get started with your computer

Use the keyboard shortcuts

Lists key combinations and their functions for efficient computer operation.

Use the TrackPoint pointing device

Explains how to use the TrackPoint pointing stick and buttons for navigation.

Chapter 3. Explore your computer

Charge the computer

Provides details on using AC power, adapter specifications, and battery charging advice.

Chapter 4. Secure your computer and information

Log in with your fingerprint (for selected models)

Details on enrolling and using fingerprint login for secure and fast access.

Log in with your face ID (for selected models)

Steps to create and use face ID for unlocking the computer via Windows Hello.

UEFI BIOS passwords

Information on setting and managing UEFI BIOS passwords for system security.

What to do if you forget your power-on password

Steps to remove a forgotten power-on password using a supervisor password.

What to do if you forget your NVMe password

Guidance on handling forgotten NVMe passwords, including drive replacement.

What to do if you forget your supervisor password

Information on what to do if a supervisor password is forgotten, involving system board replacement.

What to do if you forget your system management password

Procedure to remove a forgotten system management password using a supervisor password.

FIDO (Fast Identity Online) authentication

Enables passwordless authentication using FIDO2 USB devices.

Chapter 5. Configure advanced settings

Reset system to factory defaults

Procedure to reset UEFI BIOS to factory defaults, including data wiping.

Recover the UEFI BIOS

Details on how the UEFI BIOS can self-recover from corruption using backups.

Update UEFI BIOS

Methods for downloading and installing the latest UEFI BIOS updates.

Install a Windows operating system and drivers

Guidance on installing a Windows operating system and necessary device drivers.

Install a Windows operating system

Instructions for installing a Windows OS, including security chip configuration.

Install device drivers

Guidance on downloading and installing the latest device drivers for optimal performance.

Chapter 6. CRU replacement

Disable Fast Startup and the built-in battery

Procedure to disable Fast Startup and the built-in battery before replacing CRUs.

Chapter 7. Help and support

Where can I get the latest device drivers and UEFI BIOS?

Information on obtaining the latest device drivers and UEFI BIOS updates.

Error messages

List of common error messages and their corresponding solutions.

Call Lenovo

Instructions on how to contact Lenovo Customer Support Center for assistance.

Lenovo Customer Support Center

Details on telephone numbers and services available during the warranty period.