Message Solution
0200: Hard disk error The hard disk is not working. Make sure that the hard disk drive is attached
firmly. Run the 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
error
The extended RAM failed. Test your computer’s memory with PC-Doctor. If
you have increased memory just before turning the computer on, reinstall it.
Then test the memory with PC-Doctor.
0250: System battery
error
The backup battery, which is used to preserve the configuration information,
such as the date and time, while the computer is turned off, is depleted.
Replace the battery and run BIOS Setup Utility to verify the configuration. If
you still have a problem, have the computer serviced.
0251: System CMOS
checksum bad
The system CMOS might have been corrupted by an application program.
The computer uses the default settings. Run 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
error
Have the computer serviced.
0271: Date and time
error
Neither the date nor the time is set in the computer. Set the date and time,
using the BIOS Setup Utility.
Solving computer problems
14 ThinkPad
®
R50 Series Service and Troubleshooting Guide
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