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Symptom-to-FRU index
This section contains following information:
v "Numeric error codes"
v "Error messages" on page 43
v "Beep symptoms" on page 44
v "No-beep symptoms" on page 44
v "LCD-related symptoms" on page 45
v "Intermittent problems" on page 46
v "Undetermined problems" on page 46
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 46.
Numeric error codes
Note:
For a device not supported by diagnostic codes in the ThinkPad computers, see
the manual for that device.
Table 1. Numeric error codes
Symptom or error
0175
Bad CRC1, stop POST task—The EEPROM
checksum is not correct.
0176
System Security—The system has been
tampered with.
0177
Bad SVP data, stop POST task—The
checksum of the supervisor password in the
EEPROM is not correct.
0182
Bad CRC2. Enter BIOS Setup and load Setup
defaults.—The checksum of the CRS2 setting
in the EEPROM is not correct.
0185
Bad startup sequence settings. Enter BIOS
Setup and load Setup defaults.
FRU or action, in sequence
System board.
1. Run BIOS Setup Utility, and save the
current setting by pressing F10.
2. System board.
System board.
1. Run BIOS Setup Utility. Press F9, and
Enter to load the default setting. Then
save the current setting by pressing F10.
2. System board.
1. Run BIOS Setup Utility. Press F9, and
Enter to load the default setting. Then
save the current setting by pressing F10.
Related service information
39
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- Specifications
- 1050 DIMM
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