Table of Contents
Troubleshooting
Related Manuals for Lenovo 10AJ
Summarization of Contents
Chapter 1. Safety Information
General Safety Precautions
Essential rules for safe handling and maintenance to prevent injury.
Electrical Safety Guidelines
Procedures and warnings for working with electrical hazards to prevent shock.
ESD Handling Procedures
Steps to protect sensitive electronic components from electrostatic discharge damage.
Safety Inspection Checklist
A guide to identify and check for potentially unsafe conditions before servicing.
Chapter 2. General Information
Computer Specifications
Details physical dimensions, weight, environmental operating conditions, and electrical input.
Lenovo Software Programs
Overview of pre-installed Lenovo programs for system security, recovery, and management.
Chapter 3. General Checkout
Problem Determination Tips
Information to assist in identifying hardware and software issues for effective troubleshooting.
Chapter 4. Troubleshooting and Diagnostics
Basic Troubleshooting Steps
Initial checks and procedures for common computer startup and display issues.
Troubleshooting Procedure and Scenarios
General steps and specific symptom-based solutions for various hardware and software problems.
Diagnostic Tools and Utilities
Information on using Lenovo Solution Center and UEFI diagnostics for system testing.
Chapter 5. Using the Setup Utility Program
Accessing and Navigating Setup Utility
Steps to start, view, and change system configuration settings using the BIOS utility.
Password and Security Management
Procedures for setting, changing, deleting, and recovering system passwords for security.
System Configuration Options
Details on enabling/disabling devices, selecting startup sequences, and power management features.
BIOS Settings Before OS Installation
Guidance on modifying BIOS settings prior to installing a new operating system for compatibility.
Chapter 6. Symptom-to-FRU Index
Common Hardware Error Symptoms
Lists error symptoms like boot failures, power issues, and beep codes with FRU/Action solutions.
Error Codes and Conditions
Explains POST error codes, beep symptoms, and miscellaneous error conditions for diagnosis.
Undetermined Problems
Provides a method for troubleshooting issues when the cause is not immediately apparent.
Chapter 7. Locations
Component Locations on Computer Exterior
Identifies connectors, controls, and indicators on the front and rear of the computer.
FRU and System Board Part Locations
Shows locations of major FRUs, CRUs, and system board components for identification.
Internal Drive Bay Locations
Illustrates the layout and types of drive bays for installing internal storage devices.
Chapter 8. Replacing FRUs (Machine Types 10A0, 10A1, 10A6, 10A7, 10AG, 10AK, 10AL, and 10BE)
Initial Disassembly and Basic Components
Procedures for removing computer cover, bezel, PCI cards, memory modules, and drives.
Core System and Power Components
Steps to replace batteries, power supplies, heat sinks, microprocessors, and system boards.
Connectivity and Other FRUs
Guidance for replacing fans, speakers, thermal sensors, cover switches, and Wi-Fi units.
Completing Parts Replacement
Final steps to reassemble the computer and reconnect cables after component replacement.
Chapter 9. Replacing FRUs (Machine Types 10A2, 10A3, 10A8, 10A9, 10AH, 10AJ, 10AM, and 10AN)
Initial Disassembly and Basic Components
Procedures for removing computer cover, bezel, PCI cards, memory modules, and drives.
Core System and Power Components
Steps to replace batteries, power supplies, thermal modules, microprocessors, and system boards.
Connectivity and Other FRUs
Guidance for replacing fans, speakers, thermal sensors, cover switches, and Wi-Fi units.
Completing Parts Replacement
Final steps to reassemble the computer and reconnect cables after component replacement.
Chapter 10. Replacing FRUs (Machine Types 10A4, 10A5, 10AA, 10AB, 10DF, 10DG, 10DH, 10DJ, 10E8, 10E9, 10EA, and 10EB)
Initial FRU Replacement Steps
Procedures for removing computer covers and front bezels before component replacement.
Replacing Storage, Media, and External Components
Optical drives, hard disk drives, SSDs, I/O boxes, external options, power adapters, stands, VESA brackets.
Replacing Core System and Internal Components
Memory modules, batteries, power switches, Wi-Fi cards, fans, speakers, thermal sensors, cover switches, microprocessors.
Replacing System Board and Related Parts
Procedures for replacing the system board and associated components.
Completing Parts Replacement
Final steps to reassemble the computer and reconnect cables after component replacement.
Chapter 11. Additional Service Information
Security Features and Password Management
Information on security features, hardware passwords, and OS passwords.
System Information and BIOS Updates
Details on Vital Product Data, BIOS levels, and procedures for updating the BIOS.
Power Management Features
Explanation of power management, ACPI BIOS, and automatic power-on features.
Appendix A. Notices
Legal Disclaimers and Trademarks
Contains legal notices, warranty disclaimers, and trademark information.
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