Table of Contents
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Table of Contents
Related Manuals for Lenovo 21LS
Summarization of Contents
Meet your computer
Front
Identifies front-facing components like microphones and cameras.
Left and right
Details ports and connectors on the sides of the computer.
Bottom
Describes the underside, including the emergency-reset hole.
USB specifications
Explains different USB connector types and data rates.
Get started with your computer
Get started with your desktop
Basic guide to launching apps and accessing settings.
Launch an app
Instructions for launching applications using the Activities menu.
Launch settings
Steps to access and configure system settings.
Get support
Information on accessing help for Ubuntu and Fedora.
Manage networks
Overview of connecting to wired or wireless networks.
Connect to Wi-Fi networks
Steps to connect to available Wi-Fi networks.
Connect to a cellular network (for selected models)
Guide for setting up a cellular data connection.
Airplane mode
Explanation of enabling/disabling wireless features.
Use the camera
How to use the computer's camera and its indicator light.
Use the keyboard shortcuts
Lists functions of FnLock and function keys for efficiency.
Use the TrackPoint pointing device
Instructions for operating the TrackPoint pointing stick.
Use the Trackpad
Explains touchpad gestures for navigation and actions.
Use the touch gestures
Details multi-finger gestures for trackpad navigation.
Use the multi-touch screen (for selected models)
Describes touch gestures for screen navigation.
Connect to an external display
Steps to connect the computer to a projector or monitor.
Connect to a wired display
Instructions for connecting to an external display via cable.
Change display settings
Procedures to configure resolution and orientation for displays.
Explore your computer
Use the Intelligent Cooling feature
Explains cooling modes and how to switch them.
Use the P-to-P 2.0 charging function
Details power sharing between USB-C computers.
Set the power plan
How to configure power saving settings for ENERGY STAR compliance.
Connect to a Bluetooth-enabled device
Steps to pair Bluetooth devices with the computer.
Enabling Nvidia proprietary drivers in Fedora (for selected models)
Instructions for installing NVIDIA drivers on Fedora.
Secure your computer and information
Lock the computer
How to secure the computer using a security cable lock.
Use the fingerprint reader (for selected models)
Guide for enrolling and using the fingerprint reader.
Use passwords
Overview of different password types in UEFI BIOS.
Password types
Explains power-on, supervisor, system management, and NVMe passwords.
Set, change, or remove a password
Instructions for managing UEFI BIOS passwords.
What to do if you forget your power-on password
Procedures for recovering a forgotten power-on password.
What to do if you forget your system management password
Steps to remove a forgotten system management password.
What to do if you forget your NVMe password
Guidance on what to do if an NVMe password is forgotten.
Use Power Loss Protection function (for selected models)
Explains the PLP function for NVMe drives.
USB-C Restricted Mode
Describes a security feature to disable data transfer via USB-C.
Configure advanced settings
UEFI BIOS
Introduction to UEFI BIOS and its functions.
Enter the UEFI BIOS menu
Steps to access the UEFI BIOS setup utility.
Navigate in the UEFI BIOS interface
Key commands for navigating the UEFI BIOS menus.
Change the startup sequence
Instructions for modifying the computer's boot order.
Set the system date and time
Procedure to set the computer's date and time in BIOS.
Recover the UEFI BIOS
Information on the UEFI BIOS self-recovery process.
Update UEFI BIOS
Methods for downloading and installing UEFI BIOS updates.
CRU replacement
CRU replacement
Introduction to Customer Replaceable Units (CRUs).
CRU list
Lists self-service and optional-service CRUs for the computer.
Before you replace any CRU
Prerequisites before replacing CRUs, like disabling battery.
Disable the built-in battery
Procedure to safely disable the internal battery before servicing.
Base cover assembly
Instructions for removing and replacing the base cover.
M.2 solid-state drive and M.2 solid-state drive bracket (for selected models)
Guide for replacing the M.2 SSD and its bracket.
Wireless WAN card and wireless WAN card bracket (for selected models)
Instructions for replacing the Wireless WAN card and bracket.
Help and support
Frequently asked questions
Common questions and their solutions.
Error messages
Lists common error messages and their resolutions.
Self-help resources
Provides links and information for further assistance.
Get support information
Guidance on contacting providers for OS or hardware support.
Call Lenovo
Instructions on when and how to contact Lenovo support.
Lenovo Customer Support Center
Overview of the support center services.
Compliance information
Certification-related information
Provides product names and compliance IDs.
Operating environment
Specifies temperature and altitude limits for operation.
Notices and trademarks
Notices
Legal notices, disclaimers, and warranty information.
Trademarks
Lists registered trademarks associated with Lenovo products.
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