Solving computer problems

Message

Solution

 

 

01C9: More than one

Your ThinkPad computer has a built-in Ethernet feature, and you cannot

Ethernet devices are

add another such feature by installing an Ethernet device such as a

found. Remove one of

Mini-PCI Ethernet Card or an Ethernet Daughter Card. If this error message

them. Press <Esc> to

is displayed, remove the Ethernet device that you installed. Otherwise press

continue.

Esc to ignore the warning message. If this does not solve the problem, have

 

the computer serviced.

 

 

0200: Hard disk error

The hard disk is not working. Make sure that the hard disk drive is attached

 

firmly. Run the IBM BIOS Setup Utility; then make sure the hard disk drive

 

is not disabled in the Startup menu.

 

 

021x: Keyboard error

Make sure that there are no objects placed on the keyboard, or if you have

 

one, the external keyboard. 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

 

does, have the external keyboard serviced.

 

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

 

connector.

 

Test the computer by using PC-Doctor.

 

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

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

 

Then test the memory with PC-Doctor.

 

 

0250: System battery

The backup battery, which is used to preserve the configuration information,

error

such as the date and time, while the computer is turned off, is depleted.

 

Replace the battery and run IBM BIOS Setup 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

 

 

 

12ThinkPad® G40 Series Service and Troubleshooting Guide

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IBM 92P1559 manual Solving computer problems