Lenovo T40 manual Solving computer problems, 0200: Hard disk error

Solving computer problems

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	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 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 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	Neither the date nor the time is set in the computer. Set the date and time,
error	using the BIOS Setup Utility.

14ThinkPad® T40 Series Service and Troubleshooting Guide