Lenovo ThinkPad A21e English - A21e(2655) Service and Troubleshooting Guide - Page 17

Solving computer problems, Starting BIOS Setup Utility - bios password

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Chapter 2. Solving computer problems Diagnosing problems 10 Troubleshooting 11 Error messages 11 Errors without messages 14 Password problems 15 A power switch problem 15 Keyboard problems 15 TrackPoint problems 16 Standby or hibernation problems . . . . 17 Computer screen problems 21 Battery problems 22 Hard disk drive problems 23 Other problems 24 Starting BIOS Setup Utility 25 Recover pre-installed software 26 Upgrading the hard disk drive 29 Replacing the battery 31 © Copyright IBM Corp. 2000 9

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Chapter 2. Solving computer problems
Diagnosing problems
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Troubleshooting
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Error messages
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Errors without messages
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Password problems
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A power switch problem
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Keyboard problems
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TrackPoint problems
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Standby or hibernation problems
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Computer screen problems
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Battery problems
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Hard disk drive problems
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Other problems
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Starting BIOS Setup Utility
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Recover pre-installed software
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Upgrading the hard disk drive
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Replacing the battery
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© Copyright IBM Corp. 2000
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