User Manuals: Lenovo 20L5 ThinkPad Laptop

Manuals and User Guides for Lenovo 20L5 ThinkPad Laptop. We have 2 Lenovo 20L5 ThinkPad Laptop manuals available for free PDF download: User Manual, Hardware Maintenance Manual

Lenovo 20L5 User Manual (170 pages)

Brand: Lenovo | Category: Laptop | Size: 8.82 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 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 Built-In Rechargeable Battery
  14
- Notice for Non-Rechargeable Coin-Cell Battery
  14
- Heat and Product Ventilation
  15
- Electrical Current Safety Information
  16
- Liquid Crystal Display (LCD) Notice
  16
- Choking Hazard Notice
  17
- Glass Parts Notice
  17
- Plastic Bag Notice
  17
- Using Headphones or Earphones
  17
Chapter 1. Product Overview

19
- Computer Controls, Connectors, and Indicators
  19
  - Front View
    19
  - Left-Side View
    21
  - Right-Side View
    22
  - Bottom View
    24
  - Status Indicators
    25
- Important Product Information
  27
- Computer Features
  30
- Computer Specifications
  31
- Operating Environment
  31
- Lenovo Programs
  32
  - Accessing Lenovo Programs
    32
  - An Introduction to Lenovo Programs
    32
Chapter 2. Using Your Computer

35
- Registering Your Computer
  35
- Frequently Asked Questions
  35
- Using the Multi-Touch Screen
  36
- Using the Special Keys
  38
- Using the Thinkpad Pointing Device
  40
- Thinkpad Pointing Device Overview
  40
- Power Management
  44
  - Using the Ac Power Adapter
    44
  - Using the Battery
    45
  - Managing the Battery Power
    46
  - Power-Saving Modes
    46
- Cabled Ethernet Connections
  47
- Wireless Connections
  47
- Using Audio Features
  50
- Using the Cameras
  51
- Using a Media Card or a Smart Card
  52
- Using an External Display
  54
- Traveling with Your Computer
  55
Chapter 3. Enhancing Your Computer

57
- Finding Thinkpad Options
  57
- Thinkpad Basic Docking Station, Thinkpad Pro Docking Station, and Thinkpad Ultra Docking Station
  57
Chapter 4. Accessibility, Ergonomic, and Maintenance Information

65
- Accessibility Information
  65
- Ergonomic Information
  67
- Cleaning and Maintenance
  68
Chapter 5. Security

71
- Using Passwords
  71
- Passwords Introduction
  71
- Setting, Changing, or Removing a Password
  72
- Hard Disk Security
  73
- Setting the Security Chip
  73
- Using the Fingerprint Reader
  74
- Deleting Data from Your Storage Drive
  76
- Using Firewalls
  76
- Protecting Data against Viruses
  77
Chapter 6. Advanced Configuration

79
- Installing the Windows 10 Operating System
  79
- Installing Device Drivers
  80
- Using the Thinkpad Setup Program
  81
  - Configuring Thinkpad Setup
    81
  - Changing the Startup Sequence
    81
  - Updating the UEFI BIOS
    82
  - BIOS Menu
    82
- Using System Management
  94
Chapter 7. Troubleshooting Computer Problems

97
- General Tips for Preventing Problems
  97
- Diagnosing Problems
  97
- Troubleshooting
  98
  - Computer Stops Responding
    98
  - Spills on the Keyboard
    98
  - Error Messages
    99
  - Beep Errors
    100
  - Memory Module Problems
    102
  - Ethernet Problems
    102
  - Wireless-LAN Problem
    103
  - Wireless-WAN Problem
    103
  - Bluetooth Problem
    103
  - Thinkpad Pointing Device Problems
    104
  - Keyboard Problems
    104
  - Computer Screen Problems
    105
  - External Monitor Problems
    107
  - Audio Problems
    108
  - Fingerprint Reader Problems
    109
  - Battery Problems
    109
  - Ac Power Adapter Problem
    110
  - Power Problems
    110
  - Power Button Problem
    111
  - Boot Problems
    111
  - Sleep and Hibernation Problems
    111
  - Hard Disk Drive Problems
    112
  - Solid-State Drive Problem
    112
  - Software Problem
    112
  - USB Problem
    113
  - Docking Station Problem
    113
Chapter 8. Recovery Information

115
Chapter 9. Replacing Devices

117
- Customer Replaceable Units
  117
- Static Electricity Prevention
  118
- Disabling the Built-In Battery
  118
- Replacing the Removable Battery
  118
- Replacing the Nano-SIM Card
  120
- Replacing the Base Cover Assembly
  121
- Replacing a Memory Module
  124
- Replacing the Internal Storage Drive
  126
- Replacing a Wireless-WAN Card
  134
- Replacing the Keyboard
  135
- Replacing the Coin-Cell Battery
  139
Chapter 10. Getting Support

143
- Before You Contact Lenovo
  143
- Getting Help and Service
  143
  - Lenovo Support Web Site
    144
  - Calling Lenovo
    144
- Purchasing Additional Services
  145
Appendix A. Supplemental Information about the Ubuntu Operating System

147
Appendix B. Regulatory Information

149
Appendix C. WEEE and Recycling Statements of Countries and Regions

155
Appendix D. Restriction of Hazardous Substances (Rohs) Directive of Countries and Regions

159
Appendix E. ENERGY STAR Model Information

163
Appendix F. Notices

165
Appendix G. Trademarks

167

Lenovo 20L5 Hardware Maintenance Manual (114 pages)

Brand: Lenovo | Category: Laptop | Size: 39.6 MB

Table of Contents
3
About this Manual
5
Chapter 1. Safety Information

7
Chapter 2. Important Service Information

27
Chapter 3. General Checkout

31
- What to Do First
  31
- Checkout Guide
  32
- Diagnosing Problems
  32
- Quick Test Programs
  33
- UEFI Diagnostic Program
  33
- Bootable Diagnostic Programs
  33
- Power System Checkout
  34
- Checking the Ac Power Adapter
  35
- Checking the Removable Battery and the Operational Charging
  35
- Checking the Coin-Cell Battery
  36
Chapter 4. Related Service Information

37
- Recovery Information for the Windows 10 Operating System
  37
- Resetting Your Computer
  37
- Using Advanced Startup Options
  37
- Recovering Your Operating System if Windows 10 Fails to Start
  38
- Creating and Using a Recovery USB Drive
  38
- Passwords
  39
- Power-On Password
  39
- Hard Disk Password
  39
- Supervisor Password
  39
- How to Remove the Power-On Password
  40
- How to Remove the Hard Disk Password
  40
- Power Management
  41
- Sleep Mode
  41
- Hibernation Mode
  41
- Symptom-To-FRU Index
  41
- Numeric Error Codes
  42
- Error Messages
  43
- Beep Errors
  44
- No-Beep Symptoms
  46
- LCD-Related Symptoms
  46
- Intermittent Problems
  47
- Undetermined Problems
  47
Chapter 5. Status Indicators

49
Chapter 6. Using the Special Keys

51
Chapter 7. Locations

53
- Locating Computer Controls, Connectors, and Indicators
  53
- Front View
  53
- Left-Side View
  54
- Right-Side View
  54
- Bottom View
  55
- Locating Frus and Crus
  55
- Major Frus and Crus
  57
- LCD Frus
  59
- Miscellaneous Parts
  60
- Connector and Cable Guide
  60
- Looking up FRU Information
  64
Chapter 8. FRU Replacement Notices

65
Chapter 9. Removing or Replacing a FRU

69
- General Guidelines
  69
- Disabling the Built-In Battery
  70
- 1010 Removable Battery
  70
- 1020 Nano-SIM Card
  71
- 1030 Base Cover Assembly
  71
- 1040 Memory Module
  74
- 1050 Internal Storage Drive
  75
- 1060 Wireless-WAN Card
  79
- 1070 Wireless-LAN Module
  79
- 1080 M.2 Solid-State Drive in the Wireless-WAN-Card Slot
  80
- 1090 Keyboard
  81
- 1100 Coin-Cell Battery
  83
- 1110 Speaker Assembly
  84
- 1120 Built-In Battery
  85
- 1130 Smart-Card Reader Assembly
  86
- 1140 I/O Bracket and RJ45 Bracket
  87
- 1150 Thermal Fan Assembly
  88
- 1160 Trackpad and Trackpad Cable
  90
- 1170 System Board
  91
- 1180 Power-Button Card
  94
- 1190 Fingerprint-Reader Card
  94
- 1200 NFC Module
  96
- 1210 LCD Unit
  96
- 1220 Keyboard Bezel Assembly
  98
- 2010 LCD Bezel Sheet
  99
- 2020 LCD Panel
  100
- 2030 LCD Hinge Assembly
  102
- 2040 Camera/Microphone Module
  104
- 2050 Camera and LED Cable, and LCD Cable
  105
- 2060 Wireless-LAN/WAN Antenna Assembly and LCD Rear-Cover Assembly
  106
Appendix A. Notices

109
- Electronic Emissions Notices
  110
- Trademarks
  110
Appendix B. Abbreviation Table

111

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User Manuals: Lenovo 20L5 ThinkPad Laptop

Lenovo 20L5 User Manual (170 pages)

Table of Contents

Important Safety Information

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

Lenovo 20L5 Hardware Maintenance Manual (114 pages)

Table of Contents

Chapter 1. Safety Information

Chapter 2. Important Service Information

Chapter 3. General Checkout

Chapter 4. Related Service Information

Chapter 5. Status Indicators

Chapter 6. Using the Special Keys

Chapter 7. Locations

Chapter 8. FRU Replacement Notices

Chapter 9. Removing or Replacing a FRU

Appendix A. Notices

Appendix B. Abbreviation Table

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