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Lenovo ThinkCentre M70t User Manual

Lenovo ThinkCentre M70t
110 pages
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M70t and M80t
Hardware Maintenance Manual

Table of Contents

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Lenovo ThinkCentre M70t Specifications

General IconGeneral
ProcessorUp to 10th Gen Intel Core i9
Form FactorTower
ChipsetIntel B460
MemoryUp to 128GB DDR4
StorageUp to 2TB HDD or 1TB SSD
GraphicsIntegrated Intel UHD Graphics
Operating SystemWindows 10 Pro
PortsUSB 3.2, HDMI, DisplayPort, Audio, Ethernet
Front Portsheadphone/microphone combo jack
Rear PortsHDMI, DisplayPort, Ethernet, audio
Expansion SlotsPCIe x16, PCIe x1, M.2
Security FeaturesKensington lock slot, TPM 2.0
Power Supply260W 85% PSU or 310W 85% PSU

Summary

Chapter 1. Important Safety Information

General Safety Practices

Rules for safe operation and maintenance, including housekeeping and lifting.

Electrical Safety Precautions

Critical rules and warnings to prevent electrical shock and equipment damage.

Static Discharge and Grounding

Procedures to prevent ESD damage and ensure proper electrical grounding.

Multilingual Safety Notices

List of languages for caution and danger safety notices.

Battery and Laser Safety Warnings

Specific safety instructions for handling lithium batteries and laser products.

Chapter 3. Product Overview

Front Panel Components

Identification of connectors and indicators on the front of the computer.

Rear Panel Components

Identification of connectors and ports on the rear of the computer.

M70t Rear Panel Details

Specific rear panel connections for the M70t model.

M80t Rear Panel Details

Specific rear panel connections for the M80t model.

Chapter 4. Service Checkout and Symptom-to-FRU Index

Service Checkout and Problem Determination

Initial steps for diagnosing computer issues and gathering problem information.

Symptom-to-FRU Index

A guide mapping error symptoms to specific FRUs and actions.

Common Error Troubleshooting

Solutions for frequent errors like boot, power, beep, and POST issues.

Undetermined Problems

Procedures for identifying failing components when the cause is unclear.

Chapter 5. Troubleshooting and Diagnostics

Basic Troubleshooting Procedure

Foundational steps for resolving computer problems.

Startup, Audio, and Network Issues

Solutions for common problems related to system startup, sound, and network connectivity.

Performance and Storage Problems

Troubleshooting steps for slow performance and storage space issues.

Connectivity and Software Issues

Solutions for problems with serial, USB, and software applications.

Diagnostics and System Recovery

Using diagnostic tools and Windows recovery options for system repair.

Driver Updates

Guidance on updating device drivers for optimal system performance.

Chapter 6. Hardware Removal and Installation

Safety and Tools

Essential precautions for handling components and list of service tools.

FRU Classification

Understanding part types: Self-service CRUs, Optional-service CRUs, and FRUs.

System Board Replacement

Detailed procedures for removing and installing the system board.

Chassis Components

Procedures for replacing covers, bezels, and drive bay assemblies.

Storage Devices

Instructions for replacing hard disk drives and M.2 solid-state drives.

Memory and Expansion Cards

Procedures for replacing memory modules and PCI-Express cards.

Power Supply and Battery

Procedures for replacing the power supply assembly and coin-cell battery.

Connectivity Components

Procedures for replacing Wi-Fi cards, card readers, and I/O brackets.

Cooling Components

Procedures for replacing front fans, rear fans, and heat sinks.

Microprocessor Replacement

Detailed procedures for removing and installing the microprocessor.

Chapter 7. Notices and Trademarks

Notices and Disclaimers

Legal information, warranty details, and disclaimers.

Trademarks and Copyright

List of registered trademarks and copyright information.

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