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Lenovo Manuals
Laptop
T14 Gen 3
Hardware maintenance manual
Lenovo T14 Gen 3 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. Safety Information
General Safety
Electrical Safety
Safety Inspection Guide
Handling Devices that Are Sensitive to Electrostatic Discharge
Grounding Requirements
Safety Notices (Multilingual Translations)
Chapter 2. Important Service Information
Strategy for Replacing Frus
Strategy for Replacing a Solid-State Drive
How to Use Error Message
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
Product Definition
FRU Identification
Chapter 3. General Checkout
What to Do First
Checkout Guide
Diagnosing Problems
Quick Test Programs
UEFI Diagnostic Program
Bootable Diagnostic Programs
Power System Checkout
Checking the Ac Power Adapter
Checking the Built-In Battery and Operational Charging
Checking the Coin-Cell Battery
Chapter 4. Related Service Information
Reset or Restore Windows
Passwords
Power-On Password
Nvme Passwords
Supervisor Password
System Management Password
How to Remove the Power-On Password
How to Remove the Nvme Password
How to Remove the System Management Password
Power Management
Sleep Mode
Hibernation Mode
Symptom-To-FRU Index
Numeric Error Codes
Error Messages
Beep Errors
No-Beep Symptoms
LCD-Related Symptoms
Intermittent Problems
Undetermined Problems
Chapter 5. Special Keys
Chapter 6. Locations
Locating Computer Controls and Connectors
Front
Left and Right
Rear
Bottom
Locating Frus and Crus
Major Frus and Crus
LCD Frus and Crus
Miscellaneous Parts
Connector and Cable Guide
Looking up FRU Information
Chapter 7. FRU Replacement Notices
Service Tool Kit
Screw Notices
Retaining Serial Numbers
Restoring the Serial Number of the System Unit
Retaining the UUID
Reading or Writing the ECA Information
Chapter 8. Removing or Replacing an FRU
General Guidelines
Before Servicing the Computer
Disabling the Built-In Battery
Disable Fast Startup and the Built-In Battery
Removing the Nano-SIM-Card and Nano-SIM-Card Tray
1010 Keyboard
1020 Base Cover Assembly
1030 Built-In Battery
1040 M.2 Solid-State Drive and M.2 Solid-State Drive Bracket (for Intel Models Only)
1050 M.2 Solid-State Drive and M.2 Solid-State Drive Bracket (for AMD Models Only)
1060 Wireless WAN Card and Wireless-WAN-Card Bracket (for Selected Models)
1070 I/O Bracket
1080 Thermal Fan Assembly
1090 USB Board Cable, USB Board and USB Board Bracket
1110 Speaker Assembly
1120 Coin-Cell Battery
1130 Memory Module (for Intel Models Only)
1140 RFID Reader and RFID Reader Cable (for Selected Models of T14 Gen 3)
1150 Trackpad and Trackpad Cable
1160 NFC Module and NFC Module Cable (for Selected Models)
1170 Smart Card Reader, Smart Card Reader Cable and Dummy Smart Card Reader (for Selected Models)
1180 Power Button Board Cable and Power Button Board with or Without Fingerprint Reader
1190 Wireless WAN Antenna Assembly (for Selected Models)
1200 System Board
1210 LCD Unit
2010 LCD Bezel Sheet and LCD Bezel
2020 LCD Hinges
2030 LCD Panel and Elastic Adhesive Tapes
2040 LCD Cable
2050 Camera-And-Microphone Module and Cable
2060 LCD Cover Assembly
Appendix A. Notices
Appendix B. Abbreviation Table
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1130 Memory Module (for Intel Models Only)
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T14 Gen 3 and P14s Gen 3
Hardware Maintenance Manual
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P14s gen 3
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