Related Manuals for Lenovo 20VH0017GE
Summarization of Contents
About this manual
Manual Scope and Audience
Explains the manual's purpose, scope, and intended audience for service technicians.
Chapter 1. Safety Information
General Safety Precautions
Rules for ensuring general safety during maintenance and handling.
Electrical Safety Precautions
Rules and precautions for working with electrical equipment.
Safety Inspection Guide
Checklist for identifying unsafe conditions before performing service.
Handling ESD-Sensitive Devices
Procedures to protect against electrostatic discharge damage.
Grounding Requirements
Importance of proper electrical grounding for safety and system function.
Multilingual Safety Notices
List of languages available for safety notices in the manual.
Chapter 2. Important Service Information
FRU Replacement Strategy
Guidelines for efficient and cost-effective FRU replacement.
Hard Drive/SSD Replacement Strategy
Recommendation for low-level format before replacing storage drives.
System Board Replacement Notice
Precautions for handling sensitive system boards during replacement.
Using Error Codes for Diagnosis
Using error codes displayed on the screen for failure diagnosis.
Product and FRU Identification
Information on model types, product definitions, and FRU identification.
Chapter 3. General Checkout
Initial Checkout Steps
Information required for FRU parts exchange forms and customer details.
Checkout and Diagnostic Procedures
Procedures for identifying and correcting computer problems using guides and tests.
UEFI and Bootable Diagnostics
Using UEFI and bootable diagnostic programs for hardware testing.
Power System Checkout
Procedures to verify battery or AC power adapter functionality.
Built-in Battery Charging and Voltage Checks
Verifying built-in battery charging and testing voltage levels.
Coin-Cell Battery Voltage Test
Steps to check the coin-cell battery voltage for proper function.
Chapter 4. Related Service Information
Windows Recovery Overview
Using Windows recovery environment for system reset and advanced startup.
Computer Reset and Startup Options
Steps to reset the computer and access advanced startup options.
System Recovery and USB Drive Creation
System recovery procedures and steps to create a recovery USB drive.
Password Management
Information on power-on, hard disk, supervisor, and system management passwords.
Power Management Modes
Explanation of sleep and hibernation modes for power conservation.
Symptom-to-FRU Index
Index linking symptoms and error codes to possible FRU causes.
Numeric Error Codes
Table of numeric error codes and corresponding FRU actions.
Error Messages
Table of error messages and their recommended FRU actions.
Beep Error Code Decoding
Using SmartBeep technology to decode and resolve beep error codes.
No-Beep and LCD Symptoms
Table of no-beep and LCD symptoms with FRU troubleshooting actions.
Intermittent and Undetermined Problems
Troubleshooting intermittent and undetermined hardware issues.
Chapter 5. Use Keyboard Shortcuts
Key Functions: Windows Logo and Caps Lock
Functionality of the Windows logo and Caps Lock keys.
Fn Key Combination Shortcuts
Common keyboard shortcuts using the Fn key for various functions.
Chapter 6. Locations
Computer Component Locations
Identifies front, base, left, right, and bottom computer components.
FRU and CRU Identification
Explains FRU/CRU classifications and lists major/LCD/misc. parts.
Chapter 7. FRU Replacement Notices
Customer Replaceable Unit (CRU) Statement
Explains Customer Replaceable Unit (CRU) classifications and responsibilities.
Service Tool Kit and Screw Notices
List of common service tools and guidelines for using and tightening screws.
Serial Number and UUID Retention
Procedures for restoring serial numbers and retaining UUIDs.
Chapter 8. Removing or Replacing a FRU
General FRU Replacement Guidelines
General precautions and guidelines for FRU removal and replacement.
Specific FRU Removal and Replacement Procedures
Detailed instructions for removing/replacing specific components like batteries, drives, etc.
Appendix A. Notices
Legal and Warranty Information
Contains legal disclaimers, warranty conditions, and usage policies.
Appendix B. Abbreviation and Acronym Table
Technical Abbreviations and Acronyms
Glossary of technical terms and acronyms used in the manual.
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