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Solution:
The EEPROM checksum is not correct (block # 4 and 5). The system board should be replaced,
and the UUID needs to 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 adapter to the computer
and charge the battery.
Message:
0191: System Security - Invalid remote change requested.
Solution:
The system con guration change has failed. Con rm the operation and try again. To clear the
error, enter the 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.
Con rm the supervisor password and try again. To clear the error, enter the ThinkPad Setup.
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 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:
2100: Initialization error on HDD0 (Main hard disk drive)
Solution:
The hard disk is not working. Have the hard disk serviced.
Message:
2110: Read error on HDD0 (Main hard disk drive)
Solution:
The hard disk is not working. Have the hard disk 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. Have the computer serviced.
Message:
Thermal sensing error
Solution:
The thermal sensor has problem. Shut down the computer immediately and have the computer
serviced.
Message:
This system does not support batteries that are not genuine Lenovo-made or authorized. The
system will continue to boot, but may not charge unauthorized batteries.
Chapter 8
.
Troubleshooting computer problems
87
Summary of Contents for ThinkPad X1 2nd Generation
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