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Solution: Neither the date nor the time is set in the computer. Set the date and time, using the 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: 1820: More than one external ngerprint 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: Detection error on HDD0 (Main HDD)
Solution: The hard disk is not working. Have the hard disk serviced.
• Message: 2101: Detection error on HDD1 (Ultrabay 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: 2111: Read error on HDD1 (Ultrabay 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: 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.
• Message: The power-on password prompt
Solution: A power-on password or a supervisor password is set. Type the password and press Enter to
use the computer (refer to “Using passwords” on page 49). If the power-on password is not accepted, a
supervisor password might have been set. Type the supervisor password and press Enter. If you still see
the same error message, have the computer serviced.
• Message: The hard disk password prompt
Solution: A hard disk password is set. Type the password and press Enter to use the computer (refer to
“Hard disk passwords” on page 50).
• Message: Hibernation error
Solution: The system conguration changed between the time your computer entered hibernation mode
and the time it left this mode, and your computer cannot resume normal operation.
140 User Guide