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Service Hints & Tips |
Document ID: GSMH-3C8HSW |
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This document is provided to IBM and our Business Partners to help sell and/or service IBM products. It is not to be distributed beyond that audience or used for any other purpose. |
TP General - N51 Symptoms -To - FRU - Index
Applicable to: World-Wide
Symptom-to-FRU Index:
The Symptom-to-FRU Index lists error symptoms and possible causes. The most likely cause is listed first. Always begin with
¿General Checkout—. This index also can be used to help you decide which FRUs to have available when servicing a computer. If you are unable to correct the problem using this index, go to ¿Undetermined Problem—.
IMPORTANT:
1. If you have both an error message and an incorrect audio response, diagnose the error message first.
2. If you cannot run the advanced diagnostics tests, but did receive a POST error message, diagnose the POST error message.
3. If you did not receive an error message, look for a description of your error symptoms in the first part of this index.
4. Check all power supply voltages before you replace the system board. (See ¿Power Systems Checkout— .)
5. If an error message is not listed, there is a device installed that requires an additional diskette or service manual. Refer to the diskette or service manual for that device.
How to Read POST Error Messages:
POST error messages are displayed on the screen as 3, 4, 5, or 8 digits. The error messages that can be displayed as shorter POST messages are highlighted in this Symptom-to-FRU Index.
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Hint Category |
Hardware Maintenance Information | |
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Date Created |
10-12-96 | |
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Last Updated |
01-05-98 | |
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Revision Date |
28-04-99 | |
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Brand |
IBM ThinkPad | |
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Product Family |
Notebook N51 | |
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Machine Type |
8551 | |
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Model |
Various | |
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TypeModel |
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Retain Tip (if applicable) |
N/A | |
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