Filter
Top Products
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 conguration change has failed. Conrm 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.
Conrm 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