A Troubleshooting
Solving Common Problems
The following table lists possible problems, the possible cause of each problem, and the recommended solutions.
Problem | Possible Cause | Solution |
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Screen is blank. | Power cord is disconnected. | Connect the power cord. |
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| Power switch on front panel of the | Press the front panel power button. |
| monitor is turned off. |
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| Video cable is improperly | Connect the video cable properly. Refer to Chapter 3, |
| connected. | Setting Up the Monitor on page 5 for more information. |
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| Screen blanking is active. | Press any key on the keyboard or move the mouse to |
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| inactivate the screen blanking utility. |
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Screen image appears | The computer’s graphics card | Set the computer’s display resolution to the same mode as |
distorted; text is fuzzy or | resolution is set lower or higher than | the monitor’s recommended native screen resolution to |
blurred; image quality is | the monitor’s native resolution. | provide the best picture quality. |
degraded. |
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Image appears blurred, | Brightness and contrast are too low. | Press the −(Minus) button on the front panel. If this does |
indistinct, or too dark. |
| not correct the image, press the Menu button to open the |
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| OSD Menu, and adjust the brightness and contrast scales |
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| as needed. |
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Image is not centered | Position may need adjustment. | Press the Menu button to access the OSD menu. Select |
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| Image Control/Horizontal Position or Vertical Position to |
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| adjust the horizontal or vertical position of the image. |
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Check Video Cable is | Monitor video cable is | Connect the VGA signal cable from the computer to the |
displayed on screen. | disconnected. | VGA connector on the monitor. Be sure that the computer |
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| power is off while connecting the video cable. |
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Input Signal Out of Range. | Video resolution and/or refresh rate | Restart the computer and enter Safe Mode. Change the |
Change Settings to 1280 x are set higher than what the monitor | settings to a supported setting (see Recognizing Preset | |
1024 @ 60Hz (19” 4:3 | supports. | Display Resolutions on page 38). Restart the computer |
models) OR Input Signal |
| so that the new settings take effect. |
Out of Range. Change |
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Settings to 1440 x 900 @ 60Hz (19” wide panel models) is displayed on screen.
32 Appendix A Troubleshooting | ENWW |