Lenovo ThinkPad X1 User Manual page 144

Solution: The computer turned off, because the battery is low. Connect the AC 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 the ThinkPad Setup.
Message: 0192: System Security - Embedded Security hardware tamper detected.
Solution: The Security Chip has been replaced with a different one. Have the computer serviced.
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 the ThinkPad Setup.
Message: 0251: System CMOS checksum bad
Solution: The system CMOS might have been corrupted by an application program. The computer uses
the default settings. Run 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.
1. Press F1 to go to the ThinkPad Setup.
2. Press F9 and then press Enter to load the default setting.
3. Press F10 and then press Enter to restart the system.
If you still have a problem, have the computer serviced.
Message: 0271: Check date and time settings
Solution: Neither the date nor the time is set in the computer. Using the ThinkPad Setup to set the date and
time.
Message: 1802: Unauthorized network card is plugged in - Power off and remove the network card.
Solution: The Ethernet PCI Express Mini Card is not supported on this computer. Remove it.
Message: 1820: More than one external fingerprint readers are attached. Power off and remove all but the
reader that you set up within your main operating system.
Solution: Power off and remove all but the reader that you set up within your main operating system.
Message: 2000: ThinkVantage Active Protection sensor diagnostics failed.
Solution: ThinkVantage Active Protection sensor is not working correctly. Have the computer serviced.
Message: 2100: Initialization error on HDD0 (Main hard disk drive)
Solution: The hard disk is not working. Have the hard disk serviced.
Message: 2102: Detection error on HDD2 (Mini SATA)
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