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18.285 bytes |
Service Hints & Tips |
Document ID: RJJR-3QRLJ2 |
TP SelectaDock I - External Keyboard Checkout
Applicable to: World-Wide
External Keyboard
Notes
If a mouse or other pointing device is attached, remove it and see if the error symptom goes away. If the symptom goes away, the mouse or other pointing device is defective.
The computer keyboard does not work when an external keyboard is connected.
1. Power-off the computer.
2. Disconnect the keyboard cable from the external keyboard.
3. Power-on the computer and check the keyboard cable connector for the following voltages. All voltages have a +/- 5% voltage tolerance.
4. If all voltages are correct, replace the external keyboard.
5. If the voltages are not correct, replace the following FRUs one at a time until the problem is corrected.
Note: If the replaced parts did not resolve the problem, put the original parts back in the IBM ThinkPad Dock I. Do not replace non-defective parts.
a. Keyboard cable
b. Main card of IBM ThinkPad Dock I
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Hint Category |
Hardware Maintenance Information | |
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Date Created |
02-08-96 | |
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Last Updated |
27-08-98 | |
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Revision Date |
21-08-99 | |
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Brand |
IBM ThinkPad | |
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Product Family |
ThinkPad Docking Stations | |
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Machine Type |
3547 | |
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Model |
001 | |
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TypeModel |
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Retain Tip (if applicable) |
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