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Hardware troubleshooting
Troubleshooting
Error codes or messages
Notes:
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 has failed. Have the computer serviced.
0188: Invalid RFID
serialization information
area or bad CRC2
The EEPROM checksum is not correct (blocks # 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 information
area
The EEPROM checksum is not correct (blocks # 4 and 5). The system
board should be replaced, 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 normal operation.
0194: The computer has
been carried through the
security gate
The computer has been carried through a security portal gate. Enter the
supervisor password to return your computer to the normal operation.
0200: Hard disk error
The hard disk is not working. Make sure that the hard-disk drive is
attached firmly. Run the BIOS Setup Utility (refer to “Starting BIOS Setup
Utility” on page 8); then make sure that the hard-disk drive is not disabled
in the Startup menu.
18
IBM ThinkPad T20 User's Reference