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12TH002JGE
Hardware maintenance manual
Lenovo 12TH002JGE Hardware Maintenance Manual
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Contents
Table of Contents
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Table of Contents
Table of Contents
About this Manual
Chapter 1. Important Safety Information
General Safety
Electrical Safety
Safety Inspection Guide
Handling Electrostatic Discharge-Sensitive Devices
Grounding Requirements
Safety Notices (Multi-Lingual Translations)
Chapter 2. Important Service Information
Strategy for Replacing Frus
Strategy for Replacing a Hard Disk Drive or a Solid-State Drive
Important Notice for Replacing a System Board
How to Use Error Codes
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
Product Definition
FRU Identification
. Product Overview
Chapter 3. Product Overview
Front
Rear
M70Q Gen 5
Item
Description
Usb)
Headset Connector
M90Q Gen 5
Item Description Item
Chapter 4. Service Checkout and Symptom-To-FRU Index
Service Checkout
Problem Determination Tips
Symptom-To-FRU Index
Hard Disk Drive Boot Error
Power Supply Problems
Beep Symptoms
POST Error Codes
Miscellaneous Error Conditions
Undetermined Problems
Recover from a BIOS Update Failure
Clear CMOS
Chapter 5. Diagnostics
Basic Procedure for Resolving Computer Problems
UEFI Diagnostic Program
Lenovo Diagnostic Tools
Self-Help Resources
Chapter 6. Hardware Removal and Installation
Handling Static-Sensitive Devices
Service Tool Kit
Major Frus and Crus
Thinkcentre LED
System Board Connector
Removing and Installing Hardware
External Options
Power Cord and Ac Power Adapter
Power Adapter Cage
VESA Mount Bracket
Vertical Stand
External Wi-Fi Antenna
Dust Filter
Computer Cover
Internal Speaker
System Fan and Heat Sink
PCI-Express Card and PCI-Express Converter (Only for M90Q Gen 5)
Thunderbolt 4 Card Module (Only for M90Q Gen 5)
I/O Bracket (Only for M90Q Gen 5)
Optional Card Module
Bottom Cover (Only for M90Q Gen 5)
M.2 Solid-State Drive
Memory Module
Wi-Fi Card and Wi-Fi Card Cover
Rear Wi-Fi Antenna Cable
Front Wi-Fi Antenna
Antenna Bracket
PCH Heat Sink (Only for M90Q Gen 5)
Microprocessor
System Board
Chapter 7. Notices and Trademarks
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ThinkCentre M70q Gen 5
ThinkCentre M90q Gen 5
Hardware Maintenance Manual
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. Product Overview
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This manual is also suitable for:
Thinkcentre m90q gen 5
Thinkcentre m70q gen 5
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12td002rge
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