Lenovo V15-ADA User Manual

Check the battery status
The battery status icon or is in the Windows notification area. You can check the battery status, view
the current power plan, and access battery settings quickly.
Click the battery status icon to display the percentage of battery power remaining and change the power
mode. A warning message is displayed when the battery is low.
Charge the battery
When the battery power is low, charge your battery by connecting your computer to ac power.
The battery is fully charged in about two to four hours. The actual charging time depends on the battery
capacity, the physical environment, and whether you are using the computer.
Battery charging is also affected by its temperature. The recommended temperature range for charging the
battery is between 10°C (50°F) and 35°C (95°F).
Note: To maximize the life of the battery, the computer does not start recharging the battery if the remaining
power is greater than 95%.
Check the battery temperature
You can check the battery temperature in Lenovo Vantage or Lenovo PC manager.
Step 1. Open Lenovo Vantage.
Step 2. Click Hardware Settings ➙ Power.
Step 3. Locate the Power Status section and then click Show Details to view the battery temperature.
Note: If you’re using Lenovo PC Manager, select System hardware ➙ Battery.
Set power button behavior
By default, pressing the power button puts the computer in sleep mode. However, you can change the
power button behavior in Windows Control Panel.
Step 1. Right-click the battery status icon in the Windows notification area.
Step 2. Select Power Options ➙ Choose what the power button does.
Change or create a power plan
A power plan is a set of power saving settings. You can choose a pre-defined power plan or you can create
your own plans.
Step 1. Right-click the battery status icon in the Windows notification area.
Step 2. Select Power Options ➙ Change plan settings.
Set performance mode
You can press Fn + Q to manually set the computer’s performance mode.
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Lenovo Yoga C640-13IML User Guide

Lenovo V15-ADA Specifications

General

Operating System	Windows 10 Home
Weight	1.85 kg
Audio	2 x 1.5W Speakers
Connectivity	Wi-Fi 802.11ac, Bluetooth 5.0
RAM	8 GB DDR4
Storage	512 GB SSD
Display	15.6" FHD (1920x1080)
Graphics	AMD Radeon Graphics
Battery	35Wh
Camera	720p HD
Ports	HDMI
Dimensions	19.9 mm

Summary

Chapter 1. Meet Your Computer

Computer Component Identification

Identifies and describes front, base, left, right, and bottom computer components.

Features and Specifications

Lists the technical details and specifications of the computer hardware.

Operating Environment

Details the recommended temperature and humidity for operation and storage.

Chapter 2. Get Started with Your Computer

Windows Account Setup

Covers creating and managing local and Microsoft accounts for Windows.

Fingerprint Sign-in Setup

Instructions for enrolling fingerprint for secure Windows sign-in.

Windows User Interface Overview

Explains the main elements and icons of the Windows 10 desktop interface.

Basic Computer Operations

Launching apps, managing updates, and connecting to Wi-Fi/cellular networks.

Computer Interaction Modes

Explains Yoga modes (Notebook, Stand, Tent, Tablet) for different usage scenarios.

Multi-touch Gestures Guide

Describes various touch gestures for navigating and interacting with the screen.

Lenovo Digital Pen Usage

Instructions for installing, checking battery, and setting up the Lenovo Digital Pen.

Keyboard Shortcuts and Hotkeys

Details keyboard hotkeys, function keys, and hotkey mode settings.

Chapter 3. Explore Your Computer

Connecting External Displays

Guide for connecting wired and wireless external display devices.

Battery and Power Management

How to check battery status, temperature, and manage power settings.

UEFI/BIOS Setup Utility

Accessing and configuring BIOS settings like startup sequence and hotkey mode.

BIOS Password Security

Setting and managing administrator, user, and hard disk passwords in BIOS.

Windows Recovery and Reset

Steps for resetting or restoring Windows using recovery options.

Chapter 4. Help and Support

Frequently Asked Questions

Common questions and answers for troubleshooting computer issues.

Self-Help Resources

Information for accessing drivers, firmware, and product documentation.

Contacting Lenovo Support

Procedures and information required before contacting customer support.

Appendix A. Important Safety Information

General Safety Notices

Essential safety guidelines for using the computer and its accessories.

Computer Heat Precautions

Advice on avoiding burns from hot computer parts and ensuring ventilation.

Power Adapter and Cable Safety

Safety precautions for power adapters, cords, plugs, and related electrical devices.

Battery Safety Information

Notices and warnings regarding the handling and disposal of computer batteries.

Electrical and Product Handling Safety

Guidelines for electrical safety, external devices, and preventing product damage.

Appendix B. Accessibility and Ergonomic Information

Accessibility Features Overview

Keyboard shortcuts, Ease of Access Center, Magnifier, Narrator, On-Screen Keyboard.

Ergonomic Usage Guidelines

Recommendations for posture, workplace setup, and comfortable computer use.

Appendix C. Compliance Information

Radio Frequency Compliance

Statements regarding wireless communication and radio frequency standards.

Environmental and Recycling Compliance

Information on recycling, WEEE, RoHS, and environmental regulations.

Electromagnetic Emission Compliance

FCC, IC, EMC, and Class B compliance statements for emissions.

Appendix D. Notices and Trademarks

Legal Notices and Disclaimers

Warranty, patent, and disclaimer information for the document.

Trademarks

Lists of registered trademarks of Lenovo and related technologies.