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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: 0270: Real Time Clock Error.
Solution: System Real Time Clock is not functional. Have the computer serviced.
• Message: 0271: Check Date and Time settings.
Solution: The date or the time is not set in the computer. Enter ThinkPad Setup and set the date and time.
• 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: Turn 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: 2101: Detection error on HDD0 (Main HDD).
Solution: The hard disk drive is not working. Have the hard disk drive serviced.
• Message: 2102: Detection error on SSD (M.2).
Solution: The M.2 solid-state drive is not working. Have the M.2 solid-state drive serviced.
• Message: 2111: Read error on HDD0 (Main HDD).
Solution: The hard disk drive is not working. Have the hard disk drive serviced.
• Message: 2112: Read error on SSD (M.2).
Solution: The M.2 solid-state drive is not working. Have the M.2 solid-state 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.
• Message: Fan error.
Solution: Cooling fan has failed. Shut down the computer immediately and have the computer serviced.
• Message: Thermal sensing error.
Solution: The thermal sensor has a problem. Shut down the computer immediately and have the
computer serviced.
• Message: Error: The non-volatile system UEFI variable storage is nearly full.
Note: This error indicates that the operating system or programs cannot create, modify, or delete data in
the non-volatile system UEFI variable storage due to insufficient storage space after POST.
The non-volatile system UEFI variable storage is used by the UEFI BIOS and by the operating system
or programs. This error occurs when the operating system or programs store large amounts of data
in the variable storage. All data needed for POST, such as BIOS setup settings, chipset, or platform
configuration data, are stored in a separate UEFI variable storage.
Solution: Press F1 after the error message is displayed to enter ThinkPad Setup. A dialog asks the user
for confirmation to clean up the storage. If the user selects "Yes", all data that were created by the
operating system or programs will be deleted except global variables defined by the Unified Extensible
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ThinkPad L470 Hardware Maintenance Manual
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