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Lenovo Manuals
Laptop
20E5
Hardware maintenance manual
Lenovo 20E5 Hardware Maintenance Manual
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Contents
Table of Contents
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Table of Contents
Table of Contents
About this Manual
Chapter 1. Safety Information
General Safety
Electrical Safety
Safety Inspection Guide
Handling Devices that Are Sensitive to Electrostatic Discharge
Grounding Requirements
Safety Notices (Multilingual Translations)
Chapter 2. Important Service Information
Strategy for Replacing Frus
Strategy for Replacing a Solid-State Drive
Important Notice for Replacing a System Board
How to Use Error Message
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
Product Definition
FRU Identification
Chapter 3. General Checkout
What to Do First
Checkout Guide
Lenovo Solution Center
Quick Test Programs
UEFI Diagnostic Program
Bootable Diagnostic Programs
Power System Checkout
Checking the Ac Power Adapter
Checking the Battery and Operational Charging
Checking the Coin-Cell Battery
Chapter 4. Related Service Information
Restoring the Factory Contents by Using the Product Recovery Disc Set
Using the Windows Recovery Programs on the Windows 8.1 Operating System
Recovery Overview for the Windows 10 Operating System
Resetting Your Computer
Using Advanced Startup Options
Recovering Your Operating System if Windows 10 Fails to Start
Creating and Using a Recovery USB Drive
Passwords
Power-On Password
Hard Disk Password
Supervisor Password
How to Remove the Power-On Password
How to Remove the Hard Disk Password
Power Management
Screen Blank Mode (for the Windows 7 Operating System Only)
Sleep Mode
Hibernation Mode
Symptom-To-FRU Index
Numeric Error Codes
Error Messages
Beep Symptoms
LCD-Related Symptoms
Intermittent Problems
Undetermined Problems
Chapter 5. Locations
Locating Computer Controls, Connectors, and Indicators
Front View
Left-Side View
Bottom View
Locating Frus and Crus
Major Frus
LCD Frus
Miscellaneous Parts and Other Frus
Looking up FRU Information
Chapter 6. FRU Replacement Notices
Common Service Tools
Screw Notices
Retaining Serial Numbers
Restoring the Serial Number of the System Unit
Retaining the UUID
Reading or Writing the ECA Information
Chapter 7. Removing or Replacing a FRU
General Guidelines
Before Servicing the Computer
Disabling the Built-In Battery
Removing a Major FRU
1010 Bottom Cover
1020 Battery
1030 Hard Disk Drive or Solid-State Drive
1040 Wireless LAN Card
1050 Memory Module
1060 Coin-Cell Battery
1070 Keyboard
1080 Keyboard Bezel Assembly, Speaker Assembly, Media-Card-Reader Board
1090 System Board Assembly, DC-In Connector, and Thermal Fan
1100 LCD Unit
Removing an LCD FRU for Non-Touch Models
2010 LCD Bezel Assembly
2020 LCD Panel
2030 Camera/Microphone Board
2040 Antenna Kit, LCD Cable, LED Cable, and Hinges
Removing an LCD FRU for Touch Models
3010 LCD Panel Assembly
3020 Camera/Microphone Board and Proximity Sensor Board
3030 Antenna Kit, LCD Cable, LED Cable, and Hinges
Appendix A. Notices
Electronic Emissions Notices
Trademarks
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ThinkPad 11e and ThinkPad Yoga 11e
Hardware Maintenance Manual
Machine types: 20E5, 20E6, 20E7, 20E8, 20ED, and 20EE
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This manual is also suitable for:
Thinkpad yoga 11e
Thinkpad 11e
20e6
20e7
20e8
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