Lenovo ThinkPad X21 English - 12P0280 - ThinkPad X20, X21User's Reference - Page 34

Troubleshooting

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Troubleshooting Troubleshooting Error codes or messages Note: 1. In the charts, x can represent any character. 2. The version of PC-Doctor referred to here is PC-Doctor for Windows. Message 0175: Bad CRC1, stop POST task 0187: EAIA data access error 0188: Invalid RFID serialization information area or bad CRC2. 0189: Invalid RFID configuration information area 0190: Critical low-battery error 0193: RF antenna has been removed 0194: The computer is carried through the security gate 0200: Hard disk error Cause and action The EEPROM checksum is not correct (block #6). Have the computer serviced. The access to EEPROM is failed. Have the computer serviced. 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. 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 computer serviced. The computer turned off, because the battery is low. Connect the ac adapter to the computer and charge the battery pack, or replace the battery pack with a fully charged one. The RFID antenna that you installed has been removed. Enter the supervisor password to return your computer to the normal operation. The computer have been carried through the security portal gate. Enter the supervisor password to return your computer to the normal operation. The hard disk is not working. Make sure the hard disk drive is attached firmly. Run the BIOS Setup Utility; then make sure the hard disk drive is not disabled in the Startup menu. 30 ThinkPad X20 User's Reference

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Troubleshooting
Troubleshooting
Error codes or messages
Note:
1. In the charts, x can represent any character.
2. The version of PC-Doctor referred to here is PC-Doctor for
Windows.
Message
Cause and action
0175: Bad CRC1, stop POST task
The EEPROM checksum is not correct (block #6). Have the computer
serviced.
0187: EAIA data access error
The access to EEPROM is failed. Have the computer serviced.
0188: Invalid RFID serialization infor-
mation area or bad CRC2.
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.
0189: Invalid RFID configuration infor-
mation area
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 computer serviced.
0190: Critical low-battery error
The computer turned off, because the battery is low. Connect the ac
adapter to the computer and charge the battery pack, or replace the
battery pack with a fully charged one.
0193: RF antenna has been removed
The RFID antenna that you installed has been removed. Enter the
supervisor password to return your computer to the normal operation.
0194: The computer is carried through
the security gate
The computer have been carried through the security portal gate. Enter
the supervisor password to return your computer to the normal opera-
tion.
0200: Hard disk error
The hard disk is not working. Make sure the hard disk drive is attached
firmly. Run the BIOS Setup Utility; then make sure the hard disk drive
is not disabled in the Startup menu.
30
ThinkPad X20 User's Reference