DTF521_Manual.fm Page 31 Tuesday, February 28, 2006 10:36 AM
Display troubleshooting
If you encounter problems with the
General display problems
| No display. The power LED is off. | • Verify that the AC power cable is connected, and that the | ||
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| No display. The power LED is lit | • | Check the contrast, brightness, and backlight controls. Adjust as | |
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| necessary, or open the OSD menu, go to the RESET menu and select | |
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| the RECALL option. |
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| The power LED is lit orange. | • | Your computer may be in a power management mode. Touch the | |
| The following message appears |
| pen tip to the display screen, move the mouse, or depress any key on | |
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| your keyboard. | ||
| briefly on your display screen: |
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| • Turn off both your computer and the | |||
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| and check the video cable for bent or broken connector pins. |
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| Then properly connect the video cable and turn on the pen display |
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| and your computer. |
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| • Verify that the video card is properly installed. | |
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| The following message appears | • Check that your computer is turned on. | ||
| briefly on your display screen: | • Verify that you are using the video cable that came with the | ||
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| • Check that the | |
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| • Turn off both your computer and the | |
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| and check the video cable and any video adapters for bent or broken |
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| connector pins. Then properly connect the video cable and any |
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| necessary adapters. |
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| The following message appears | • The input signal frequency is incorrectly set or not compatible with | ||
| briefly on your display screen: |
| the | |
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| frequency) between 45 and 70 Hz. For other modes, set the |
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| frequency to some value between 45 and 75 Hz. If your video card |
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| driver supports adjustment of the horizontal frequency, make sure it |
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| is set to some value between 30 and 57 kHz. On a single monitor |
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| system you will need to connect a different display to change the |
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| refresh rate. |
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| • The resolution is set too high (1024 x 768, maximum). | |
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| • The refresh rate is set too high (70 Hz maximum for XGA, and 75 Hz | |
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| maximum for other modes). |
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| • Set the display properties to detect plug and play monitors. | |
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| The following message appears | • | The maximum refresh rate in XGA mode is 70 Hz. Set the refresh | |
| briefly on your display screen: |
| rate (vertical frequency) to some value between 45 and 70 Hz. |
Troubleshooting page 31