Table of Contents
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Table of Contents
Related Manuals for Lenovo 11T8002SGE
Summarization of Contents
Chapter 1. Important safety information
General safety
General safety guidelines for users and technicians.
Electrical safety
Precautions and rules for working with electrical equipment.
Safety inspection guide
Checklist for identifying potentially unsafe conditions.
Handling electrostatic discharge-sensitive devices
Procedures to prevent damage from static electricity.
Grounding requirements
Importance and verification of electrical grounding.
Safety notices (multi-lingual translations)
Introduction to safety notices available in multiple languages.
Chapter 2. Important service information
Strategy for replacing FRUs
Guidelines for efficient and cost-effective FRU replacement.
Strategy for replacing a hard disk drive or a solid-state drive
Specific procedures for replacing storage drives.
Important notice for replacing a system board
Critical handling instructions for system board replacement.
Strategy for replacing FRUs for CTO, special-bid, and standard models
Service strategies tailored to different model configurations.
Product definition
Explanation and identification of different computer model types.
FRU identification
Instructions for identifying Field Replaceable Units (FRUs).
Chapter 4. Service checkout and symptom-to-FRU index
Service checkout
Initial steps for diagnosing system problems.
Problem determination tips
Guidance for systematic problem diagnosis.
Symptom-to-FRU index
Mapping of symptoms to probable faulty parts.
Hard disk drive boot error
Troubleshooting specific errors related to hard drive booting.
Power supply problems
Procedures for diagnosing power-related issues.
Beep symptoms
Interpreting beep codes for system diagnostics.
POST error codes
List and explanation of Power-On Self-Test error messages.
Miscellaneous error conditions
Troubleshooting common errors not covered by POST.
Chapter 5. Diagnostics
Basic procedure for resolving computer problems
General steps to troubleshoot and resolve computer issues.
UEFI diagnostic program
Instructions for using the preinstalled UEFI diagnostic tool.
Lenovo diagnostic tools
Information on accessing Lenovo's external diagnostic tools.
The Vantage app
Using the Lenovo Vantage app for system diagnostics.
Self-help resources
Links and guides for further computer troubleshooting.
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.
Major FRUs and CRUs
Classification of Field Replaceable Units (FRUs) and Customer Replaceable Units (CRUs).
External options
Connecting and installing external devices to the computer.
Vertical stand
Instructions for attaching the vertical stand.
Computer cover
Procedures for removing and installing the computer cover.
Optical drive
Steps for removing and installing the optical drive.
Front bezel
Procedures for removing and installing the front bezel.
Drive bay assembly
Steps for removing and installing the drive bay assembly.
Hard disk drive
Procedures for removing and installing hard disk drives.
M.2 solid-state drive and heat sink
Steps for replacing the M.2 SSD and its heat sink.
M.2 solid-state drive bracket
Procedures for removing and installing the M.2 SSD bracket.
Wi-Fi card
Steps for removing and installing the Wi-Fi card.
Front Wi-Fi antenna
Procedures for removing and installing the front Wi-Fi antenna.
Rear Wi-Fi antenna
Steps for removing and installing the rear Wi-Fi antenna.
Memory module
Procedures for removing and installing memory modules.
PCI-Express connector cable
Handling and replacement of PCI-Express connector cables.
PCI-Express card
Steps for removing and installing PCI-Express cards.
Coin-cell battery
Procedures for replacing the coin-cell battery.
Power supply assembly
Steps for removing and installing the power supply assembly.
E-lock
Procedures for removing and installing the E-lock.
Internal speaker
Steps for removing and installing the internal speaker.
Illuminated red dot cable
Procedures for removing and installing the illuminated red dot cable.
Thermal sensor
Steps for removing and installing the thermal sensor.
Front IO bracket and power button
Procedures for replacing the front IO bracket and power button.
Card reader and card reader bracket
Steps for replacing the card reader and its bracket.
Heat sink and fan assembly
Procedures for replacing the heat sink and fan assembly.
Microprocessor
Steps for removing and installing the microprocessor (CPU).
System board
Procedures for removing and installing the system board.
VRM heatsink (for selected models of M90s Gen 3)
Specific instructions for VRM heatsink replacement.
Cover presence switch
Steps for removing and installing the cover presence switch.
Chapter 7. Notices and trademarks
Notices
Legal notices, warranty information, and disclaimers.
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