Solving computer problems
Message | Solution |
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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 |
| does, have the external keyboard serviced. |
| v Make sure that the external keyboard is connected to the correct |
| connector. |
| Test the computer by using |
| 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 |
| you added a memory module just before turning the computer on, reinstall |
| it. Then test the memory with |
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0231: System RAM error | The system RAM failed. Test your computer’s memory with |
| you added a memory module just before turning the computer on, reinstall |
| it. Then test the memory with |
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0232: Extended RAM | The extended RAM failed. Test your computer’s memory with |
error | you have increased memory just before turning the computer on, reinstall it. |
| Then test the memory with |
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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. |
| Recharge the battery for one hour by connecting the ac adapter to the |
| computer and run BIOS Setup Utility to verify the configuration. If you still |
| have a probelm, replace the battery and run the BIOS Setup Utility to verify |
| the configuration. If you still have a problem, have the computer serviced. |
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0251: System CMOS | The system CMOS might have been corrupted by an application program. |
checksum bad | The computer uses the default settings. Run the BIOS Setup Utility to |
| reconfigure the settings. If you still see the same error code, have the |
| computer serviced. |
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0260: System timer error | Have the computer serviced. |
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0270: Real time clock | Have the computer serviced. |
error |
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0271: Date and time | Neither the date nor the time is set in the computer. Set the date and time, |
error | using the BIOS Setup Utility. |
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14ThinkPad® G40 Series Service and Troubleshooting Guide