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Service Hints & Tips |
Document ID: GSMH-3BVFXV |
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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 700,720 - Undetermined problem
Applicable to: World-Wide
Undetermined Problem:
You are here because the diagnostic tests did not identify which adapter or device failed, the Devices List is incorrect or the system is inoperative. Follow the procedures below (do not isolate FRUs that are known to be good).
Check the power supply that was being used at the time of the failure. (See ¿Power Systems Checkout—.) If the power supply is operating correctly, continue with the following procedure.
1. Power-off the computer.
2. Remove or disconnect one of the following devices or adapter. (Do not isolate FRUs that are known to be good.)
a. Non-IBM devices
b. Modem, PC card, printer, mouse, or other external devices
c. Battery pack
d. Hard disk drive (removable disk drive)
e. IC DRAM card
f. Any adapter or device
Note:
Replacing the hard disk drive, an IC DRAM card, or any adapter or device, might cause configuration errors.
3. Power-on the computer.
4. If the problem is not corrected, repeat steps1 through3 until you find the failing FRU or until all FRUs have been removed.
5. If all of the FRUs listed have been removed and the problem is not corrected, replace the following FRUs:
- System board
- Processor card
- Video card
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Search Keywords |
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Hint Category |
Hardware Maintenance Information | |
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Date Created |
29-11-96 | |
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Last Updated |
17-04-98 | |
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Revision Date |
16-04-99 | |
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Brand |
IBM ThinkPad | |
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Product Family |
ThinkPad 700, ThinkPad 720 | |
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Machine Type |
9552 | |
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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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