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• Message: 0187: EAIA data access error
Solution: Check Security settings. Press F10 and then press Enter to restart the system.
• Message: 0188: Invalid RFID Serialization Information Area
Solution: Reset the Block # 0 and 1, for example, the box serial number, and/or the Block # 4 and 5,
for example, the UUID. It could be done by using maintenance diskette or USB key. If you still have a
problem, have the computer serviced.
• Message: 0189: Invalid RFID conguration information area
Solution: The EEPROM checksum is not correct (block # 4 and 5). See Solution for 0188.
• Message: 0190: Critical low-battery error
Solution: The computer turned 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: Bad system conguration change request has been detected, the BootBlock update has failed,
or unknown request packet has been detected. To clear the error, enter ThinkPad Setup.
• 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 ThinkPad Setup.
• Message: 0251: System CMOS checksum bad - Default conguration used
Solution: The system CMOS might have been corrupted or modied incorrectly by a program that
changes data stored in CMOS. The computer uses the default settings. Run ThinkPad Setup to recongure
the settings. If you still see the same error code, check the system battery or have the computer serviced.
• Message: 0271: Real Time Clock error - Check Date and Time settings.
Solution: Neither the date nor the time is set in the computer. Set the date and time through ThinkPad
Setup.
• Message: 1802: Unauthorized network card is plugged in - Power off and remove the network card.
Solution: The Mini PCI Express network card is not supported on this computer. Remove it.
• Message: 2000: ThinkVantage Active Protection sensor diagnostics failed.
Solution: ThinkVantage Active Protection sensor is not working correctly. Have the computer serviced.
• Message: 2100: Detection error on HDD0(Main HDD)
Solution: The hard disk is not working. Have the hard disk serviced.
• Message: 2102: Detection error on HDD2(Mini SATA)
Solution: The Mini SATA device is not working. Have the Mini SATA device serviced.
• Message: 2110: Read error on HDD0(Main HDD)
Solution: The hard disk is not working. Have the hard disk serviced.
• Message: 2112: Read error on HDD2(Mini SATA)
Solution: The Mini SATA device is not working. Have the Mini SATA device serviced.
• Message: 2200: Machine Type and Serial Number are invalid.
Solution: POST warning message in case MTMSN is not set correctly. Have the computer serviced.
• Message: 2201: Machine UUID is invalid.
• Solution: POST warning message in UUID is not set correctly. Have the computer serviced.
• Message: Fan error
Solution: Cooling fan has failed. Have the computer serviced.
• Message: Thermal sensing error.
Chapter 10. Troubleshooting computer problems 133