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Lenovo ThinkPad T400s 2823 User Manual

Lenovo ThinkPad T400s 2823
184 pages
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ThinkPad T400s
Hard ware Maintenan ce Manual

Table of Contents

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Lenovo ThinkPad T400s 2823 Specifications

General IconGeneral
BrandLenovo
ModelThinkPad T400s 2823
CategoryLaptop
LanguageEnglish

Summary

Safety Information

General Safety

Rules for safe operation and maintenance of the computer.

Electrical Safety

Rules and precautions for working with electrical equipment.

Safety Inspection Guide

Checklist for identifying potentially unsafe conditions before servicing.

Handling ESD-Sensitive Devices

Precautions for handling components sensitive to electrostatic discharge.

Grounding Requirements

Explains the importance of electrical grounding for safety and system function.

Important Service Information

Strategy for Replacing FRUs

General strategies for replacing Field Replaceable Units (FRUs).

General Checkout Procedures

Diagnostics using PC-Doctor for DOS

Details how to use PC-Doctor for DOS for system diagnostics.

Power System Checkout

Guides on checking the computer's power system for symptoms.

Symptom-to-FRU Index

Numeric Error Codes

Lists numeric error codes and their corresponding FRU actions.

Error Messages

Lists error messages and their FRU or action sequences.

Beep Symptoms and Codes

Describes beep codes and their associated FRU or action.

FRU Replacement Notices

Removing and Replacing FRUs

General Rules for FRU Replacement

Outlines general rules to follow before and during FRU removal and replacement.

System Board and Related Components

Important Notices for System Board Handling

Crucial handling precautions for the sensitive system board.

Parts List

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