Filter
Top Products
Message Solution
01C9: More than one
Ethernet devices are
found. Remove one of
them. Press <Esc> to
continue.
Your ThinkPad computer has a built-in Ethernet feature, and you cannot
add another such feature by installing an Ethernet device such as a
Mini-PCI Ethernet Card or an Ethernet Daughter Card. If this error message
is displayed, remove the Ethernet device that you installed. Otherwise press
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
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 IBM 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 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
error
Have the computer serviced.
Solving computer problems
12
ThinkPad
®
G40 Series Service and Troubleshooting Guide