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2.947 bytes |
Service Hints & Tips |
Document ID: DJON-3LXVWD |
TP 770 - Other Symptoms
Applicable to: World-Wide
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Symptom / Error |
FRU / Action in Sequence |
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Errors occur only when the port replicator is used. |
See Port Replicator Checkout |
Note: If you cannot find a symptom or error in this list and the problem persists, see Undetermined Problems.
Intermittent Symptoms
Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists.
When analyzing the intermittent problem, do the following:
1. Run the advanced diagnostic test for the system board in loop mode at least 10 times.
2. If no error is detected, do not replace any FRUs.
3. If any error is detected, replace the FRU shown by the FRU code. Rerun the test to verify that no more errors exist.
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Hint Category |
Hardware Maintenance Information | |
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Date Created |
16-09-97 | |
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Last Updated |
19-01-99 | |
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Revision Date |
19-01-2000 | |
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Brand |
IBM ThinkPad | |
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Product Family |
ThinkPad 770, ThinkPad 770E/ED, ThinkPad 770X | |
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Machine Type |
9548, 9549, 9544 | |
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Model |
All | |
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TypeModel |
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Retain Tip (if applicable) |
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