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Summarization of Contents
About this manual
General Safety
Rules for safe operation and handling during maintenance procedures.
Electrical Safety
Guidelines and precautions for working with electrical components.
Safety Inspection Guide
Checklist for identifying potentially unsafe conditions before servicing.
Handling ESD-Sensitive Devices
Procedures to prevent damage from electrostatic discharge to computer components.
Chapter 2. Important Service Information
Strategy for Replacing FRUs
Guidelines and strategies for efficient and effective FRU replacement.
Important Notice for System Board Replacement
Precautions and warnings when handling sensitive system board components.
FRU Identification
Methods to identify part numbers and descriptions for Field Replaceable Units (FRUs).
Chapter 3. General Checkout
What to Do First
Information required when returning a FRU for parts exchange or return.
Checkout Guide
Procedures for identifying and correcting computer problems.
Power System Checkout
Steps to verify the functionality of the battery and AC power adapter.
Chapter 4. Related Service Information
Restoring Factory Contents with Recovery Disc Set
Instructions for reinstalling the operating system using the product recovery disc set.
Recovery Overview for Windows 10
Explanation of computer reset and advanced startup options for Windows 10.
Passwords
Information on power-on, hard disk, and supervisor password types.
Symptom-to-FRU Index
Lists symptoms and their corresponding FRU or action for troubleshooting.
Chapter 5. Locations
Locating Computer Controls, Connectors, and Indicators
Identifies the location of external and internal computer components and indicators.
Front View
Diagrams and labels for the front view components of the laptop.
Left-Side View
Diagrams and labels for the left-side view components of the laptop.
Bottom View
Diagrams and labels for the bottom view components of the laptop.
Locating FRUs and CRUs
Explains how to identify Customer Replaceable Units and Field Replaceable Units.
Chapter 6. FRU Replacement Notices
CRU Statement for Customers
Defines Customer Replaceable Units (CRUs) and customer responsibilities.
Screw Notices
Recommendations for using correct screws and tightening procedures.
Restoring Serial Numbers
Procedures for retaining and restoring system unit serial numbers and UUIDs.
Chapter 7. Removing or Replacing a FRU
General Guidelines
Basic rules and precautions to follow before and during FRU replacement.
Disabling the Built-in Battery
Steps to safely disconnect the internal battery before servicing the computer.
1010 Bottom Cover
Detailed steps for removing the bottom cover assembly of the laptop.
1020 Battery
Detailed steps for removing and replacing the battery module.
1030 M.2 Solid-State Drive
Detailed steps for removing and replacing the M.2 solid-state drive.
1100 LCD Unit
Detailed steps for removing and replacing the LCD unit assembly.
Removing an LCD FRU for Touch Models
Specific instructions for removing LCD components on touch model laptops.
Appendix A. Notices
Electronic Emissions Notices
Information regarding electronic emissions compliance for Class B digital devices.
Trademarks
Lists registered trademarks of Lenovo and other relevant companies.
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