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Service Hints & Tips

Document ID: RJJR-3QRLL8

TP SelectaDock I - External Display Checkout

Applicable to: World-Wide

External Display

If the screen is rolling, replace the external display.
If the problem is not corrected, replace FRUs in the following order 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.

If the external display is attached to the IBM ThinkPad Dock I :
1. Main Card of IBM ThinkPad Dock I
If the external display is attached to the display adapter :
1. Display adapter
2. Main card of IBM ThinkPad Dock I
3. Riser card

If the screen is not rolling, do the following to run the display self-test:
1. Power-off IBM ThinkPad Dock I and the external display.
2. Disconnect the external display signal cable from the IBM ThinkPad Dock I.
3. Power-on the external display.
4. Turn the contrast control to its maximum position.
5. Turn the brightness control to its center position.

Check for the following conditions:
The screen should be white or light gray, with a black margin, see the appropriate display manuals for the correct self-test condition.
The screen contrast and brightness controls should vary the intensity of the screen.
If the external display does not meet these specifications, replace the external display.

If the external display meets these specifications, replace FRUs in the following order 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.

If the external display is attached to IBM ThinkPad Dock I:
1. Main card of IBM ThinkPad Dock I
2. External display

If the external display is attached to the display adapter:
1. Display adapter
2. Main card of IBM ThinkPad Dock I
3. Riser card
4. External display

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Hardware Maintenance Information

Date Created

02-08-96

Last Updated

27-08-98

Revision Date

21-08-99

Brand

IBM ThinkPad

Product Family

ThinkPad Docking Stations

Machine Type

3547

Model

001

TypeModel

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