Title: C74AMST CreationDate: 06/23/93 17:09:07
External Display (CRT) Problems
Problems | Action | |
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Blank screen. | Verify that: | |
| 1. | The power cord for the external display is plugged into a |
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| working electrical outlet and into the external display. |
| 2. | The external display is turned on and the brightness and contrast |
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| controls for the display are turned up. |
| 3. | The signal cable for the external display is plugged into the |
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| external display connector on the Dock I. Some signal cables |
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| may not fit into the external display connector because of the |
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| connector type. You cannot connect the external display signal |
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| cable connector to the |
| 4. | The external display is selected as the display device using the |
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| Fn key Function or the ThinkPad Features. |
| 5. | When you are using a video adapter, connect the external |
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| display signal cable to the video adapter. |
| If the above items are correct and the screen of the external display | |
| remains blank, run the display tests described in the instructions | |
| supplied with the external display. If those tests show the external | |
| display works correctly, have the system unit serviced. | |
Screen is unreadable or | Verify that: | |
distorted. | 1. | The ThinkPad 750 video device driver was installed correctly. |
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| Refer to the manual that came with the computer. |
| 2. | The Display in the Windows** Setup screen is set to your |
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| display resolution type. |
| If the above is correct, run the tests described in the instructions | |
| supplied with the external display. If the tests show the external | |
| display works correctly, have the system unit serviced. | |
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**Trademark of the Microsoft Corporation
