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Manuals and User Guides for Lenovo 20LJ. We have
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Lenovo 20LJ manual available for free PDF download: User Manual
Lenovo 20LJ User Manual (144 pages)
Brand:
Lenovo
| Category:
Laptop
| Size: 6.61 MB
Table of Contents
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 Built-In Rechargeable Battery
13
Notice for Non-Rechargeable Coin-Cell Battery
14
Heat and Product Ventilation
15
Electrical Current Safety Information
16
Choking Hazard Notice
17
Liquid Crystal Display (LCD) Notice
17
Plastic Bag Notice
17
Using Headphones or Earphones
17
Glass Parts Notice
18
Chapter 1. Product Overview
19
Computer Controls, Connectors, and Indicators
19
Front View
19
Left-Side View
21
Right-Side View
22
Bottom View and Rear View
24
Status Indicators
24
Important Product Information
26
Machine Type and Model Information
26
FCC ID and IC Certification Information
27
Labels for the Windows Operating Systems
28
Computer Features
29
Computer Specifications
30
Operating Environment
30
Lenovo Programs
31
Accessing Lenovo Programs
31
An Introduction to Lenovo Programs
31
Chapter 2. Using Your Computer
33
Registering Your Computer
33
Frequently Asked Questions
33
Thinkpad Pen Pro
34
Operating Modes
35
Using the Multi-Touch Screen
37
Using the Special Keys
39
Using the Thinkpad Pointing Device
41
Thinkpad Pointing Device Overview
41
Using the Trackpoint Pointing Device
42
Using the Trackpad
43
Using the Trackpad Touch Gestures
44
Customizing the Thinkpad Pointing Device
44
Replacing the Cap on the Pointing Stick
45
Power Management
45
Using the Ac Power Adapter
45
Using the Battery
46
Managing the Battery Power
47
Power-Saving Modes
47
Cabled Ethernet Connections
47
Wireless Connections
49
Using the Wireless-LAN Connection
49
Using the Wireless-WAN Connection
49
Using the Bluetooth Connection
50
Using the NFC Devices
50
Using the Airplane Mode
52
Using Audio Features
52
Using the Cameras
52
Using a Smart Card
53
Using an External Display
55
Traveling with Your Computer
56
Finding Thinkpad Options
57
Chapter 3. Accessibility, Ergonomic, and Maintenance Information
59
Accessibility Information
59
Ergonomic Information
61
Cleaning and Maintenance
62
Chapter 4. Security
65
Using Passwords
65
Passwords Introduction
65
Setting, Changing, or Removing a Password
66
M.2 Solid-State Drive Security
67
Setting the Security Chip
67
Using the Fingerprint Reader
68
Deleting Data from Your Storage Drive
70
Using Firewalls
70
Protecting Data against Viruses
71
Chapter 5. Advanced Configuration
73
Installing the Windows 10 Operating System
73
Installing Device Drivers
74
Using the Thinkpad Setup Program
74
Configuring Thinkpad Setup
75
Changing the Startup Sequence
75
Updating the UEFI BIOS
76
BIOS Menu
76
Using System Management
87
Chapter 6. Troubleshooting Computer Problems
89
General Tips for Preventing Problems
89
Diagnosing Problems with Lenovo Companion
89
Troubleshooting
90
Computer Stops Responding
90
Spills on the Keyboard
90
Error Messages
91
Beep Errors
92
Memory Module Problems
93
Ethernet Problems
94
Wireless-LAN Problem
95
Wireless-WAN Problem
95
Bluetooth Problem
95
Thinkpad Pointing Device Problems
95
Keyboard Problems
96
Computer Screen Problems
96
External Monitor Problems
98
Audio Problems
99
Fingerprint Reader Problems
101
Battery Problems
101
Ac Power Adapter Problem
101
Power Problems
102
Power Button Problem
102
Boot Problems
102
Sleep and Hibernation Problems
103
Hard Disk Drive Problems
104
Solid-State Drive Problem
104
Thinkpad Pen Pro Problem
104
Software Problem
104
USB Problem
105
Chapter 7. Recovery Information
107
Resetting Your Computer
107
Using Advanced Startup Options
107
Recovering Your Operating System if Windows 10 Fails to Start
107
Creating and Using a Recovery USB Drive
108
Chapter 8. Replacing Devices
109
Customer Replaceable Units
109
Static Electricity Prevention
109
Disabling the Built-In Battery
110
Replacing the Nano SIM Card
110
Replacing the Base Cover Assembly
111
Replacing the Wireless-WAN Card
112
Replacing the M.2 Solid-State Drive
114
Replacing the Coin-Cell Battery
115
Chapter 9. Getting Support
117
Before You Contact Lenovo
117
Getting Help and Service
117
Lenovo Support Web Site
118
Calling Lenovo
118
Purchasing Additional Services
119
Appendix A. Supplemental Information about the Ubuntu Operating System
121
Appendix B. Regulatory Information
123
Certification-Related Information
123
Wireless-Related Information
123
Wireless Interoperability
123
Usage Environment and Your Health
123
Locating the Ultraconnect Wireless Antennas
124
Wireless-Radio Compliance Information
124
Locating Wireless Regulatory Notices
125
TCO Certification
125
Export Classification Notice
125
Electronic Emission Notices
125
Federal Communications Commission Declaration of Conformity
125
Industry Canada Class B Emission Compliance Statement
126
European Union Conformity
126
German Class B Compliance Statement
126
Japan VCCI Class B Compliance Statement
127
Japan Compliance Statement for Products Which Connect to the Power Mains with Rated Current Less than or Equal to 20 a Per Phase
127
Japan Notice for Ac Power Cord
127
Lenovo Product Service Information for Taiwan
127
Eurasian Compliance Mark
127
Brazil Audio Notice
127
Appendix C. WEEE and Recycling Statements
129
General Recycling Information
129
Important WEEE Information
129
Japan Recycling Statements
130
Recycling Information for Brazil
130
Battery Recycling Information for the European Union
131
Battery Recycling Information for Taiwan
132
Battery Recycling Information for the United States and Canada
132
Recycling Information for China
132
Appendix D. Restriction of Hazardous Substances (Rohs) Directive
133
Appendix E. ENERGY STAR Model Information
137
Appendix F. Notices
139
Appendix G. Trademarks
141
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