Lenovo 23539KU manual User Guide

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 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: 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 configuration changed between the time your computer entered hibernation mode and the time it left this mode, and your computer cannot resume normal operation.

140User Guide