Table of Contents
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Table of Contents
Related Manuals for Lenovo 12U60019GE
Summarization of Contents
Chapter 1. Important Safety Information
General Safety
Rules for safe operation and maintenance of the computer and workspace.
Electrical Safety
Precautions for working with electrical components and voltages to prevent shock.
Safety Inspection Guide
Checklist for identifying potentially unsafe conditions on products.
Handling Electrostatic Discharge-Sensitive Devices
Procedures to prevent ESD damage to sensitive computer components.
Grounding Requirements
Importance of proper electrical grounding for operator safety and system function.
Safety Notices (Multi-lingual Translations)
Overview of caution and danger safety notices provided in multiple languages.
Chapter 2. Important Service Information
Strategy for Replacing FRUs
Guidelines for efficient replacement of Field Replaceable Units (FRUs).
Product Definition
Explanation of different computer model types (CTO, special-bid, standard).
FRU Identification
Instructions on how to identify Field Replaceable Units for a product.
Chapter 4. Service Checkout and Symptom-to-FRU Index
Service Checkout
Procedure for diagnosing computer problems and interpreting error messages.
Problem Determination Tips
Information to assist in identifying hardware and software issues.
Symptom-to-FRU Index
Lists error symptoms and their corresponding Field Replaceable Units.
Hard Disk Drive Boot Error
Common causes and solutions for hard disk drive boot failures.
Power Supply Problems
Procedures for troubleshooting power supply issues.
Beep Symptoms
Interpretation of beep codes indicating system errors during POST.
POST Error Codes
List of Power-On Self-Test error codes and their descriptions/actions.
Miscellaneous Error Conditions
Troubleshooting for various non-POST error messages and symptoms.
Undetermined Problems
Steps to identify failing devices when the cause is unclear.
Recover from a BIOS Update Failure
Procedure to recover the system after a failed BIOS update.
Clear CMOS
Instructions for clearing CMOS settings to resolve configuration issues.
Chapter 5. Diagnostics
Basic Procedure for Resolving Computer Problems
General steps for troubleshooting computer issues.
UEFI Diagnostic Program
How to use the preinstalled UEFI diagnostic tool for system testing.
Chapter 6. Hardware Removal and Installation
Handling Static-Sensitive Devices
Precautions for handling components sensitive to static electricity.
Service Tool Kit
List of common tools required for servicing the computer.
Major FRUs and CRUs
Classification of replaceable parts (Self-service, Optional-service, FRUs).
System Board Connector
Diagram and identification of system board connectors.
Removing and Installing Hardware
General instructions for hardware removal and installation procedures.
External Options
Connecting and installing external devices to the computer.
Computer Cover
Steps to remove and replace the computer cover.
Optical Drive
Procedure for replacing the optical drive.
Front Bezel
Procedure for replacing the front bezel.
Drive Bay Assembly
Procedure for replacing the drive bay assembly.
PCI-Express Card Holder
Procedure for replacing the PCI-Express card holder.
3.5-inch Hard Disk Drive
Procedure for replacing the 3.5-inch hard disk drive.
Memory Module
Procedure for replacing memory modules.
M.2 Solid-State Drive
Procedure for replacing the M.2 solid-state drive.
PCI-Express Connector Cable
Procedure for replacing the PCI-Express connector cable.
PCI-Express Slot Cover
Procedure for replacing the PCI-Express slot cover.
PCI-Express Card
Procedure for replacing a PCI-Express card.
Power Supply Assembly
Procedure for replacing the power supply assembly.
E-lock
Procedure for replacing the E-lock.
Wi-Fi Card
Procedure for replacing the Wi-Fi card.
Internal Speaker
Procedure for replacing the internal speaker.
Card Reader and Card Reader Bracket
Procedure for replacing card reader components.
Power Button Cable and Front IO Bracket
Procedure for replacing the power button cable and front IO bracket.
Thermal Sensor
Procedure for replacing the thermal sensor.
ThinkCentre LED Cable and Clip
Procedure for replacing the ThinkCentre LED cable and clip.
Front Fan
Procedure for replacing the front fan.
Rear Fan
Procedure for replacing the rear fan.
Front Wi-Fi Antenna and Cable
Procedure for replacing the front Wi-Fi antenna and cable.
Rear Wi-Fi Antenna and Cable
Procedure for replacing the rear Wi-Fi antenna and cable.
Serial Connector Cable
Procedure for replacing the serial connector cable.
Cover Presence Switch and AVC, C2 Bracket
Procedure for replacing the cover presence switch and AVC, C2 bracket.
Heat Sink and Fan Assembly
Procedure for replacing the heat sink and fan assembly.
Microprocessor
Procedure for replacing the microprocessor.
System Board
Procedure for replacing the system board.
Chapter 7. Notices and Trademarks
Notices
General information, disclaimers, and warranty statements from Lenovo.
Trademarks
List of trademarks and their owners used in the document.
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