A Troubleshooting
Solving Common Problems
The following table lists problems you might encounter, the possible cause of each problem, and the recommended solutions.
Table
Problem | Possible Cause | Solution |
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Screen is blank. | Power cord is disconnected. | Connect the power cord. |
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| Master power switch on the | Set the master power switch to the on position (I) | ||
| monitor's rear panel is turned | and press the front panel power button. | ||
| off. |
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| Power button on front panel of | Check that the master power switch on the rear of | ||
| the monitor is turned off. | the monitor is set to the on (I) position. Press the | ||
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| front panel power button. |
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| NOTE: If pressing the power button has no effect, | ||
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| press and hold the power button for 10 seconds to | ||
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| disable the power button lockout feature. | ||
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| Video cable is improperly | Connect the video cable properly. Refer to Chapter | ||
| connected. | 3, Setting Up the Monitor on page 6 for more | ||
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| information. |
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| Wrong video cable is in use. | Ensure that you are using the video cables that | ||
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| came with the monitor. |
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| Screen blanking is active. | Press any key on the keyboard or move the mouse | ||
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| to inactivate the screen blanking utility. | ||
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Screen is blank and LED is flashing | The input signal requires an | Check the table of preset display modes for your | ||
blue. | unsupported display mode. | model; see Preset Display Resolutions | ||
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Screen image appears distorted; text is | The computer's graphics card | Set the computer's display resolution to the same | ||
fuzzy or blurred; image quality is | resolution is set lower or | mode as the monitor's recommended native screen | ||
degraded. | higher than the monitor's | resolution to provide the best picture quality. | ||
| native resolution. |
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Screen image appears distorted; | Set the scaling option ( | ) in the OSD to "Fill to | ||
shapes seem wrong. | effect. | |||
Aspect Ratio." |
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Image appears blurred, indistinct, or | Brightness and contrast are too | Increase the brightness. Increase the contrast or turn | ||
too dark. | low. | on DCR (dynamic contrast ratio). | ||
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Image is not centered. | Position may need adjustment. | Press the Menu button to access the OSD menu. | ||
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| Select Image Control/Horizontal Position or Vertical | ||
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| Position to adjust the horizontal or vertical position | ||
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| of the image. |
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40 Appendix A Troubleshooting | ENWW |