Lenovo 20JQ, 20JR Manuals

Manuals and User Guides for Lenovo 20JQ, 20JR. We have 1 Lenovo 20JQ, 20JR manual available for free PDF download: User Manual

Lenovo 20JQ, 20JR User Manual (168 pages)

Brand: Lenovo | Category: Laptop | Size: 7.3 MB

Table of Contents
3
Important Information about Using Your Computer
7
Important Safety Information
7
Read this First
7
Conditions that Require Immediate Action
9
Service and Upgrades
10
Extension Cords and Related Devices
11
Power Cords and Power Adapters
11
Plugs and Outlets
12
Power Supply Statement
12
External Devices
13
General Battery Notice
13
Notice for Removable Rechargeable Battery
13
Notice for Non-Rechargeable Coin-Cell Battery
14
Heat and Product Ventilation
15
Electrical Current Safety Information
16
Laser Safety Information
17
Liquid Crystal Display (LCD) Notice
17
Using Headphones or Earphones
17
Choking Hazard Notice
18
Glass Parts Notice
18
Plastic Bag Notice
18
Chapter 1. Product Overview

19
- Computer Controls, Connectors, and Indicators
  19
- Front View
  19
- Left-Side View
  20
- Right-Side View
  21
- Rear View
  22
- Bottom View
  23
- Status Indicators
  24
- Important Product Information
  25
- Machine Type and Model Label
  25
- FCC ID and IC Certification Number
  26
- Labels for the Windows Operating Systems
  27
- Computer Features
  28
- Computer Specifications
  29
- Operating Environment
  29
- Lenovo Programs
  30
- Accessing Lenovo Programs
  30
- An Introduction to Lenovo Programs
  30
Chapter 2. Using Your Computer

33
Chapter 3. Enhancing Your Computer

53
Chapter 4. Accessibility, Ergonomic, and Maintenance Information

63
- Accessibility Information
  63
- Ergonomic Information
  65
- Cleaning and Maintenance
  66
Chapter 5. Security

69
- Using Passwords
  69
- Passwords Introduction
  69
- Setting, Changing, or Removing a Password
  70
- Hard Disk Security
  71
- Setting the Security Chip
  71
- Using the Fingerprint Reader
  72
- Deleting Data from Your Storage Drive
  74
- Using Firewalls
  75
- Protecting Data against Viruses
  75
Chapter 6. Advanced Configuration

77
Chapter 7. Troubleshooting Computer Problems

95
- General Tips for Preventing Problems
  95
- Diagnosing Problems
  95
- Troubleshooting
  96
- Computer Stops Responding
  96
- Spills on the Keyboard
  97
- Error Messages
  97
- Beep Errors
  99
- Memory Module Problems
  100
- Ethernet Problems
  101
- Wireless-LAN Problem
  102
- Wireless-WAN Problem
  102
- Bluetooth Problem
  102
- Thinkpad Pointing Device Problems
  102
- Keyboard Problems
  103
- Computer Screen Problems
  103
- External Monitor Problems
  106
- Audio Problems
  107
- Fingerprint Reader Problems
  108
- Battery Problems
  108
- Ac Power Adapter Problem
  109
- Power Problems
  109
- Power Button Problem
  110
- Boot Problems
  110
- Sleep and Hibernation Problems
  110
- Hard Disk Drive Problems
  111
- Solid-State Drive Problem
  111
- Optical Drive Problems
  111
- Software Problem
  112
- USB Problem
  113
- Docking Station Problem
  113
Chapter 8. Recovery Information

115
Chapter 9. Replacing Devices

119
- Static Electricity Prevention
  119
- Replacing the Removable Battery
  119
- Replacing the Micro SIM Card
  121
- Replacing the Bottom Cover
  122
- Replacing the Optical Drive
  123
- Replacing the Wireless-WAN Card
  125
- Replacing the Memory Module
  126
- Replacing the Internal Storage Drive
  128
- Replacing the Keyboard
  132
- Replacing the Coin-Cell Battery
  138
Chapter 10. Getting Support

141
- Before You Contact Lenovo
  141
- Getting Help and Service
  141
- Lenovo Support Web Site
  142
- Calling Lenovo
  142
- Purchasing Additional Services
  143
Appendix A. Supplemental Information about the Ubuntu Operating System

145
Appendix B. Regulatory Information

147
Appendix C. WEEE and Recycling Statements of Countries and Regions

153
Appendix D. Restriction of Hazardous Substances (Rohs) Directive of Countries and Regions

157
Appendix E. ENERGY STAR Model Information

161
Appendix F. Notices

163
Appendix G. Trademarks

165

Lenovo Categories

Laptop

Desktop Server

Monitor Tablet

More Lenovo Manuals

Lenovo 20JQ, 20JR Manuals

Lenovo 20JQ, 20JR User Manual (168 pages)

Table of Contents

Chapter 1. Product Overview

Chapter 2. Using Your Computer

Chapter 3. Enhancing Your Computer

Chapter 4. Accessibility, Ergonomic, and Maintenance Information

Chapter 5. Security

Chapter 6. Advanced Configuration

Chapter 7. Troubleshooting Computer Problems

Chapter 8. Recovery Information

Chapter 9. Replacing Devices

Chapter 10. Getting Support

Appendix A. Supplemental Information about the Ubuntu Operating System

Appendix B. Regulatory Information

Appendix C. WEEE and Recycling Statements of Countries and Regions

Appendix D. Restriction of Hazardous Substances (Rohs) Directive of Countries and Regions

Appendix E. ENERGY STAR Model Information

Appendix F. Notices

Appendix G. Trademarks

Related Products

Lenovo Categories