IBM A22 manual Solving computer problems

Page 24

Solving computer problems

Message

Solution

 

 

021x: Keyboard error

Make sure that no object is placed on the keyboard or on the external

 

keyboard, if you have one. Turn off the computer, and turn off all attached

 

devices. Turn on the computer first; then turn on the attached devices.

 

If you still see the same error code, do the following:

 

If an external keyboard is connected, do the following:

 

v Turn off the computer and disconnect the external keyboard; then turn on

 

the computer. Make sure that the built-in keyboard operates correctly. If it

 

was, have the external keyboard serviced.

 

v Make sure that the external keyboard is connected to the correct

 

connector.

 

Test the computer, using PC-Doctor.

 

v If the computer stops during the test, have the computer serviced.

0220: Monitor type error

The monitor type does not match the type specified in CMOS. Run the IBM

 

BIOS Setup Utility to make sure that your monitor type matches the type

 

specified in the utility.

 

 

0230: Shadow RAM error

The shadow RAM failed. Test your computer’s memory with PC-Doctor. If

 

you added a memory module just before turning the computer on, reinstall

 

it. Then test the memory with PC-Doctor.

 

 

0231: System RAM error

The system RAM failed. Test your computer’s memory with PC-Doctor. If

 

you added a memory module just before turning the computer on, reinstall

 

it. Then test the memory with PC-Doctor.

 

 

0232: Extended RAM

The extended RAM failed. Test your computer’s memory with PC-Doctor. If

error

you increased memory just before turning the computer on, reinstall it. Then

 

test the memory with PC-Doctor.

 

 

0250: System battery

The system battery is dead. Replace the battery and run IBM BIOS Setup

error

Utility to verify the configuration. If you still have a problem, have the

 

computer serviced.

 

 

0251: System CMOS

The system CMOS might have been corrupted by an application program.

checksum bad

The computer uses the default settings. Run IBM BIOS Setup Utility to

 

reconfigure the settings. If you still see the same error code, have the

 

computer serviced.

 

 

0260: System timer error

Have the computer serviced.

 

 

0270: Real time clock

Have the computer serviced.

error

 

 

 

0271: Date and time error

Neither the date nor the time is set in the computer. Set the date and time,

 

using the IBM BIOS Setup Utility.

 

 

02D0: System cache error

The cache is disabled. Have the computer serviced.

 

 

02F4: EISA CMOS not

Have the computer serviced.

writable

 

 

 

14ThinkPad® A22 Service and Troubleshooting Guide

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Contents ThinkPad A22 Service and Troubleshooting Guide Page ThinkPad A22 Service and Troubleshooting Guide Page Finding information with Access ThinkPad Iv ThinkPad A22 Service and Troubleshooting Guide Finding information with Access ThinkPad Vi ThinkPad A22 Service and Troubleshooting Guide Contents Viii ThinkPad A22 Service and Troubleshooting Guide Overview of your new ThinkPad computer Your ThinkPad at a glance Features Diskette drive External interfaceSpecifications SizeEnvironment Heat outputLithium-ion battery pack Electrical ac adapterImportant tips Be careful about where and how you work Caring for your ThinkPad computerBe gentle with your computer Carry your computer properlyTake care in setting passwords Handle storage media and drives properlyOther important tips Cleaning your computer Caring for your ThinkPad computer Solving computer problems Diagnosing problems Click PC-Doctor for WindowsTroubleshooting Error messagesSolving computer problems Solving computer problems Errors without messages Password problems Power switch problemKeyboard problems TrackPoint problems Standby or hibernation problems For Windows For Windows NTSelect Intel EtherExpress PRO Adapter, and click Startup Click the Device Manager tab Clear the Auto insert notification check boxClick Power Management Click the Enable hibernation... buttonComputer screen problems For Windows 98Click Advanced Click Display TypeBattery problems Hard disk drive problems Other problems Starting Bios Setup Utility Recover pre-installed software Solving computer problems To create a Recovery Repair diskette To use the Recovery Repair disketteUpgrading the hard disk drive Handling a hard disk driveUpgrading the hard disk drive Replacing the battery Getting help and service from IBM Getting help and service Getting help on the WebGetting help by fax Calling IBMTelephone numbers Country or region Language Telephone NumberGetting help and service Getting help and service Appendix A. Important safety instructions ThinkPad A22 Service and Troubleshooting Guide Modem safety information Laser compliance statement Appendix A. Important safety instructions ThinkPad A22 Service and Troubleshooting Guide Warranty Period IBM Statement of Limited Warranty Part 1 General TermsIBM Warranty for Machines Warranty Service Limitation of Liability Part 2 Country-unique Terms Governing LawCAMBODIA, LAOS, and Vietnam Hong Kong and Macau Warranty Service Following Terms Apply to ALL Emea CountriesGoverning Law Following Terms Apply to the Country SpecifiedEgypt Italy Following item is added to this paragraph Processing date data References to the Web site addressesElectronic emission notices Federal Communications Commission FCC StatementTelecommunication notices European Community Directive Conformance StatementFax Branding Industry Canada requirements AvisAvertissement Appendix B. Warranty Statement ThinkPad A22 Service and Troubleshooting Guide Trademarks ThinkPad A22 Service and Troubleshooting Guide Index ThinkPad A22 Service and Troubleshooting Guide Page Part Number 27P2172
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