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IBM ThinkPad T21 User Guide

72 pages

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Starting BIOS Setup Utility

10 IBM ThinkPad T20 User's Reference

Contents3
Safety Instructions5
Handling the Computer11
Don'ts11
Do's13
Cleaning the Computer13
Carrying Your Computer14
Extending the Life of Your Computer's Battery14
System Overview17
Features18
Diskette Drive19
External Interface20
Specifications21
Using Your Online User's Guide23
Starting BIOS Setup Utility24
Protecting Your Computer27
Using Passwords28
Power-On Password28
Screen Saver Password28
Hard-Disk Passwords29
Windows Passwords29
Supervisor Password30
Network Password30
Passwords and Standby Mode30
Using the Locks and the Security Screw31
Attaching the Mechanical Lock31
Using the Asset RF ID Feature32
Solving Computer Problems33
Hardware Troubleshooting34
Error Codes or Messages34
No Error Codes or Message38
Power Switch Problem38
Input Problems39
Standby or Hibernation Problems41
LCD Problems44
Battery Problems46
Hard-Disk-Drive Problems47
Software Problems48
Other Problems50
Backing up Your System51
Testing Your Computer51
Backing up Your System Configuration51
Backing up Your Data52
Recovering Lost or Damaged Software53
Using the Software Selections CD54

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IBM ThinkPad T21 Specifications

General

Brand	IBM
Model	ThinkPad T21
Category	Laptop
Language	English

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IBM ThinkPad T21 User Guide

Table of Contents

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IBM ThinkPad T21 Specifications

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