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| Troubleshooting | |
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| Problem description | Possible tests or solutions | |
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| The PC does not start up | • Check the CMOS settings in the PC | |
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| BIOS | |
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| • The display controller may not be | |
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| firmly seated in the connector | |
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| No image during PC start- | • Check the CMOS settings in the PC | |
| up | BIOS | |
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| Nothing happens when | • The User Controls may be disabled. | |
| you press or turn the con- | Please read the paragraph about the | |
| trol wheel | “User Controls” function. | |
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| The image is | • Select another resolution in the | |
| tionally spread out over | Windows “Display Properties” | |
| the screen | control panel | |
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| • Switch the “Scaling” function | |
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| (Geometry menu) in the display | |
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| OSD to “None” or “Best Fit” | |
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| The image on the screen | • Rotate the image using the display | |
| is rotated 90° | controller control panel. | |
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| See the display controller manual | |
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| The previous image | • This phenomenon, called “image | |
| remains slightly visible | sticking” is normal if the same | |
| on the screen | image has been on the screen for a | |
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| long time. The ghost image will | |
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| disappear after some time. | |
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| Over 10 hours operation with the | |
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| same image content is not | |
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| recommended. Switching on DPMS | |
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| on display and PC and activating a | |
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| good screen saver may decrease the | |
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| risk of image sticking (image | |
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| retention). | |
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| • A slight case of image sticking can | |
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| be solved by continuously displaying | |
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| a full white image during a number | |
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| of hours. | |
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