If you do not find your problem here, refer to Access ThinkPad, your
on-board help system. Open Access ThinkPad by pressing the ThinkPad
button. The following section only describes problems that might prevent you
from accessing this help system.
Error codes or messages
Message: 0175: Bad CRC1, stop POST task
Solution: The EEPROM checksum is not correct (block #6). Have the
Message: 0187: EAIA data access error
Solution: The access to EEPROM is failed. Have the computer serviced.
Message: 0188: Invalid RFID serialization information area or bad CRC2.
Solution: The EEPROM checksum is not correct (block # 0 and 1, or block #
6). The system board should be replaced, and the box serial number needs to
be reinstalled. Have the computer serviced.
Message: 0189: Invalid RFID configuration information area
Solution: The EEPROM checksum is not correct (block # 4 and 5). The system
board should be replace, and the UUID needs to be reinstalled. Have the
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, or replace the battery with a
fully charged one.
Message: 0193: RF antenna has been removed
Solution: The RFID antenna that you installed has been removed. Enter the
supervisor password to return your computer to the normal operation.
1. In the descriptions below, x can represent any character.
2. The version of PC-Doctor referred to here is PC-Doctor for
Solving computer problems
Chapter 2. Solving computer problems