Lenovo ThinkPad A31p ThinkPad A30/p, A31/p Hardware Maintenance Manual (Septem - Page 57
Symptom-to-FRU index, Numeric error codes, If no numeric code is displayed, check the narrative - thinkpad a31 manual
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Symptom-to-FRU index Symptom-to-FRU index The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cause is listed first, in boldface type. Note: Do the FRU replacement or other actions in the sequence shown in the column headed "FRU or action, in sequence." If replacing a FRU does not solve the problem, put the original part back in the computer. Do not replace a nondefective FRU. This index can also help you determine, during regular servicing, what FRUs are likely to need to be replaced next. A numeric error is displayed for each error detected in POST or system operation. In the displays, n can be any number. If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not described there, go to "Intermittent problems" on page 59. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for that device. Numeric error codes Symptom or error FRU or action, in sequence 0175 Bad CRC1, stop POST task-The EEPROM checksum is not correct. System board. 0176 System Security-The system has been tampered with. 1. Run IBM BIOS Setup Utility, and then save current setting by pressing F10. 2. System board. 0187 EAIA data access error-The access to EEPROM is failed. System board. 0188 Invalid RFID serialization information area or bad CRC2-The EEPROM checksum is not correct. System board. ThinkPad A30, A30p, A31, A31p 53