Table of Contents
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Table of Contents
Related Manuals for Lenovo 21LT
Summarization of Contents
Meet Your Computer
Front Components Overview
Identifies the components on the front of the computer, including microphone and webcam.
Side Ports and Connectors
Details the ports and connectors on the left and right sides of the computer.
USB Specifications and Types
Explains USB connector types and their data transfer rates.
Bottom Features and Reset Hole
Describes the bottom of the computer, including the emergency-reset hole and thermal vents.
Getting Started with Your Computer
Desktop and Basic Navigation
Provides an overview of the Linux desktop environment and basic navigation.
Launching Applications
Instructions on how to open applications using the Activities menu or search bar.
Accessing System Settings
Guide on accessing the system settings menu for configuration.
Finding Help and Support
Information on how to find help and support resources for Ubuntu and Fedora.
Network Connectivity Basics
Overview of connecting to wired or wireless networks.
Using the Camera
How to use the camera for photos, videos, and conferencing.
Keyboard Shortcuts
Details of function keys and other keyboard shortcuts for efficient operation.
TrackPoint Pointing Device
Instructions on using the TrackPoint for navigation and control.
Trackpad Usage
Guide to using the Trackpad for pointing, clicking, and scrolling.
Trackpad Touch Gestures
Explanation of multi-finger gestures for trackpad navigation.
Multi-Touch Screen Navigation
How to navigate the screen using touch gestures on compatible models.
Connecting External Displays
Steps to connect and configure external monitors or projectors.
Exploring Your Computer
Intelligent Cooling Feature
Explains the Intelligent Cooling modes for performance and fan speed management.
USB-C P-to-P 2.0 Charging
Details on using USB-C for power sharing between computers.
Power Plan Settings
Instructions on adjusting power settings for performance and power saving.
Bluetooth Device Connection
Steps to pair Bluetooth devices like keyboards and mice.
Nvidia Driver Installation (Fedora)
Guide to install Nvidia drivers for enhanced graphics performance in Fedora.
Securing Your Computer
Physical Security with Cable Locks
How to secure the computer using a compatible security cable lock.
Fingerprint Reader Usage
Instructions for enrolling and using the fingerprint reader for login.
UEFI BIOS Password Management
Overview of password types (power-on, supervisor, NVMe) in UEFI BIOS.
Password Setting and Removal
Procedure for managing UEFI BIOS passwords.
Forgotten Password Recovery
Troubleshooting steps for recovering forgotten power-on, system management, NVMe, or supervisor passwords.
Power Loss Protection (PLP)
Explanation of the PLP function for M.2 SSDs to prevent data loss.
USB-C Restricted Mode Security
Security feature to disable data transfer via USB-C while keeping charging functional.
Advanced Settings Configuration
UEFI BIOS Introduction
Introduction to UEFI BIOS and its basic functions.
Startup Sequence Modification
How to modify the boot device order in UEFI BIOS.
Memory Retraining Diagnostics
Explanation of memory retraining process during POST.
System Date and Time Settings
Procedure to adjust the system date and time in UEFI BIOS.
UEFI BIOS Self-Recovery
How the UEFI BIOS performs self-recovery from corruption.
Updating UEFI BIOS
Methods for downloading and installing UEFI BIOS updates.
Customer Replaceable Unit (CRU) Replacement
List of CRUs
Lists the self-service and optional-service CRUs for the computer.
Pre-Replacement Procedures
Pre-replacement steps like disabling startup and battery.
Disabling Fast Startup
Steps to disable the fast startup feature in Windows.
Disabling the Built-in Battery
Instructions for disabling the internal battery for safety.
Replacing the Base Cover Assembly
Procedure for accessing and replacing the computer's base cover.
M.2 SSD and Bracket Replacement
Procedure for replacing M.2 SSD and its bracket.
Wireless WAN Card Replacement
Steps to replace the Wireless WAN card and its bracket.
Help and Support Resources
Frequently Asked Questions
Answers to common questions about settings, power, and troubleshooting.
Understanding Error Messages
Explanation of common error messages and their solutions.
Self-Help and Documentation
Links to product documentation, support website, and warranty information.
Linux Distribution Information
Information on obtaining Ubuntu and Fedora Linux distributions.
Obtaining Open-Source Software Info
Information on obtaining source code for open-source software.
Contacting Lenovo Support
Instructions on how to contact Lenovo support for assistance.
Additional Service Purchases
Options for buying extended warranties and additional support services.
Compliance Information
Certification Details
Details on product name, compliance IDs, and machine types.
Wireless Antenna Locations
Information on the location of wireless antennas for communication.
Operating Environment Specifications
Specifications for altitude, temperature, and humidity for operation and storage.
Notices and Trademarks
Important Legal Notices
Legal notices regarding Lenovo products, patents, and disclaimers.
Registered Trademarks
List of registered trademarks and intellectual property for Lenovo and other companies.
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