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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 61.
Note
For a device not supported by diagnostic codes in
the ThinkPad notebook computers, see the manual
for that device.
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.
54
R50/R50p, R51 Series
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.
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