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• Message: 0182: Bad CRC2. Enter ThinkPad Setup and load Setup defaults.
Solution: Checksum of the CRC2 setting in the EEPROM is not correct. Press F1 to go to ThinkPad
Setup. Press Fn+F9 and then press Enter to load the default setting. Press Fn+F10 and then press
Enter to restart the system.
• Message: 0185: Bad startup sequence settings. Enter ThinkPad Setup and load Setup defaults.
Solution: Checksum of the startup sequence setting in the EEPROM is not correct. Press F1 to go to
ThinkPad Setup. Press Fn+F9 and then press Enter to load the default setting. Press Fn+F10 and then
press Enter to restart the system.
• Message: 0187: EAIA data access error.
Solution: The access to EEPROM is failed. Have the computer serviced.
• Message: 0188: Invalid RFID Serialization Information Area.
Solution: The EEPROM checksum is not correct (block # 0 and 1). The system board should be replaced,
and the box serial number needs to be reinstalled. Have the computer serviced.
• Message: 0189: Invalid RFID conguration information area.
Solution: The EEPROM checksum is not correct (block # 4 and 5). The system board should be replaced,
and the UUID needs to be reinstalled. Have the computer serviced.
• Message: 0190: Critical low-battery error.
Solution: The computer turns off, because the battery is low. Connect the ac power adapter to the
computer and charge the battery, or replace the battery with a fully charged one.
• Message: 0191: System Security - Invalid remote change requested.
Solution: The system conguration change has failed. Conrm the operation and try again. To clear the
error, enter the ThinkPad Setup program.
• Message: 0199: System Security - Security password retry count exceeded.
Solution: This message is displayed if you enter a wrong supervisor password more than three times.
Conrm the supervisor password and try again. To clear the error, enter the ThinkPad Setup program.
• Message: 0200: Hard disk error.
Solution: The hard disk is not working. Make sure the hard disk drive is attached rmly. Run the ThinkPad
Setup program; then make sure the hard disk drive is not disabled on the Startup menu.
• Message: 021x: Keyboard error.
Solution: 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 rst; 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:
– Make sure that the external keyboard is connected to the correct connector.
– 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 was, have the external keyboard serviced.
– Refer to “Diagnosing problems” on page 121
for a diagnostic test of the computer. If the computer
stops during the test, have the computer serviced.
Chapter 9. Troubleshooting computer problems 123