User’s Manual
Troubleshooting
Check List
Symptom | Check List | Solutions |
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The image on the | Check the monitor configuration to | The signal from the video card exceeds |
see if it is in Interlace Mode. (Interlace | the maximum resolution and frequency | |
screen is shaking. | Mode: Vertical frequency 43Hz, | of the monitor. |
| 87Hz(i), etc) |
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| Are there any magnetic products such | Move the monitor away from anything |
| as a power adapter, speaker or a high | that can create a strong magnetic field. |
| voltage wire near by? |
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| Is the voltage stable? | The screen image can appear to shake |
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| or vibrate at a particular time of day due |
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| to low supply voltage. |
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| The screen image can also appear to shake or vibrate if there is a problem with | |
| the video card or the computer's main board. | |
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The screen shows | Is the screen displaying only one color | Check the signal cable connection. |
as if looking at the screen through a | Make sure the video card is fully | |
strange colors or just | cellophane paper? | |
black and white. |
| inserted in it's slot. |
| Have the screen colors become | Reboot the computer. |
| strange after running a program or |
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| due to a crash between applications? |
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| Has the video card been set properly? | Set the video card by referring to the |
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| video card manual. |
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The screen is out of | Have you adjusted the resolution or | Adjust the resolution and frequency of |
frequency on the monitor? | the video card. | |
focus or OSD cannot |
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be adjusted. |
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LED is blinking but no | Is the frequency properly adjusted | Adjust the frequency properly by |
when checking the Display Timing on | referring to the video card manual. | |
images on the screen. | the menu? | (The maximum frequency per |
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| resolution may differ from product to |
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| product.) |
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There are only 16 | Have the Windows colors been set | For Windows 98(95): |
properly? | Set the colors properly at the Control | |
colors shown on the |
| Panel, Display, Settings. |
screen. The screen |
| For Windows 3.1: |
| Adjust the colors of the screen using | |
colors have changed |
| the VGA utility provided by the video |
after changing the |
| card. |
video card. |
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Has the video card been set properly? | Set the video card by referring to the | |
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| video card manual. |
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