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| EN7220 | |
| TECHNICAL SUPPORT (FAQ) | ||||
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| Problem & Question | Possible Solution | |||
| Power LED is not on | *Check if the Power Switch is in the ON |
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| position |
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| *Power Cord should be connected |
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| No Plug & Play |
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| *Check if the PC system is Plug & Play |
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| compatible |
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| *Check if the Video Card is Plug & Play |
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| compatible |
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| *Check if the |
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| Cable is bent |
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| Picture is fuzzy |
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| *Adjust the Contrast and Brightness |
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| Controls. |
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| Picture bounces or a wave | *Move electrical devices that may cause |
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| pattern is present in the picture | electrical interference. |
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| The power LED is ON (orange) | *Computer Power Switch should be in |
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| but there’s no video or no | the ON position. |
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| picture. |
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| *Computer Video Card should be snugly |
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| seated in its slot |
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| *Make sure monitor’s video cable is |
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| properly connected to the computer. |
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| *Inspect monitor’s video cable and make |
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| sure none of the pins are bent. |
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| *Make sure computer is operational by |
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| hitting the CAPS LOCK key on the |
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| keyboard while observing the CAPS |
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| LOCK LED. The LED should either |
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| turn ON or OFF after hitting the CAPS |
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| LOCK key. |
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| Missing one of the primary | *Inspect the monitor’s video cable and |
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| colors (RED, |
| GREEN, or | make sure that none of the pins are |
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| BLUE) |
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| bent. |
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| Screen image is not centered | *Adjust pixel frequency (CLOCK) and |
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| or sized properly. |
| FOCUS or press |
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| Picture has color defects | *Adjust RGB color or select color |
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| (white does not look white) | temperature |
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| Horizontal | or | vertical | *Use win 95/98 |
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| disturbances on the screen | CLOCK and FOCUS or perform hot- |
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| key |
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