Lenovo ThinkPad T560 User Manual page 113

Solution: Checksum of the Security settings in the EFI Variable is not correct. Enter ThinkPad Setup
to check security settings. Press F10, and then press Enter to restart the system. If your computer
still has a problem, have the computer serviced.
• 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 must be replaced,
and the box serial number needs to be reinstalled. Have the computer serviced.
• Message: 0189: Invalid RFID configuration information area
Solution: The EEPROM checksum is not correct (block # 4 and 5). The system board must be replaced,
and the UUID must be reinstalled. Have the computer serviced.
• 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.
• Message: 0191: System Security - Invalid remote change requested
Solution: The system configuration change has failed. Confirm the operation and try again. 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.
Confirm the supervisor password and try again. To clear the error, enter ThinkPad Setup.
• Message: 0251: System CMOS checksum bad – Default configuration used
Solution: The system CMOS might have been corrupted by an application program. The computer uses
the default settings. Enter ThinkPad Setup to reconfigure the settings. If you still see the same error code,
have the computer serviced.
• Message: 0253: EFI Variable Block Data was destroyed.
Solution: The system EFI Variable Block Data might have been corrupted. Enter ThinkPad Setup to load
the default settings. If the same problem still exists, 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 in ThinkPad Setup.
• Message: 1802: Unauthorized network card is plugged in - Power off and remove the network card.
Solution: The wireless network card is not supported on this computer. Remove it.
• Message: 1820: More than one external fingerprint readers are attached.
Solution: Power off and remove all but the reader that you set up within your main operating system.
• Message: 2000: Active Protection sensor diagnostics failed.
Solution: Active Protection sensor is not working correctly. Have the computer serviced.
• Message: 2100: Detection error on HDD0 (Main HDD)
Solution: The main storage drive is not working. Have the drive serviced.
• Message: 2110: Read error on HDD0 (Main HDD)
Solution: The main storage drive is not working. Have the drive serviced.
• Message: 2200: Machine Type and Serial Number are invalid.
Solution: Machine Type and Serial Number are invalid. Have the computer serviced.
• Message: 2201: Machine UUID is invalid.
Solution: Machine UUID is invalid. Have the computer serviced.
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Chapter 8 Troubleshooting computer problems
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