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Troubleshooting charts
Error codes or messages
Note: In the charts,
x
can be any character.
Problem Action
0200 (hard disk error) The hard disk is not working. Make sure the hard disk drive is attached firmly.
Run the BIOS setup utility; then make sure the hard disk drive is properly identi-
fied.
021
x
(keyboard error) Make sure no object is placed on the keyboard or on the external keyboard, if you
have one. Power off the computer and power off all attached devices. Power on
the computer first; then power on the attached devices.
If you still have a problem, do the following:
If an external keyboard is connected:
– Power off the computer and disconnect the external keyboard; then power
on the computer. Make sure that your keyboard operation is correct. If it
is, have the external keyboard serviced. Otherwise, have the computer
serviced.
– Make sure that the external keyboard is connected to the correct con-
nector if connected to computer using the keyboard/mouse cable.
Test the computer by using the PC Doctor.
– If the computer stops during the test, have the computer serviced.
0220 (monitor type
error)
The monitor type does not match the CMOS. Run the BIOS setup utility to verify
the configuration.
0230 (shadow RAM
error)
The shadow RAM failed. Test your computer's memory with the PC Doctor.
If you have increased memory just before powering the computer on, reinstall the
DIMM. Then test the memory with the PC Doctor.
0231 (system RAM
error)
The system RAM failed. Test your computer's memory with the PC Doctor.
If you have increased memory just before powering the computer on, reinstall the
DIMM. Then test the memory with the PC Doctor.
0232 (extended RAM
error)
The extended RAM failed. Test your computer's memory with the PC Doctor.
If you have increased memory just before powering the computer on, reinstall the
DIMM. Then test the memory with the PC Doctor.
0250 (system battery
error)
The system battery is dead. Replace the battery and run the BIOS setup utility to
verify the configuration.
If you still have a problem, have the computer serviced.
Chapter 4. Solving computer problems 89