5-2 Before Requesting Service
Please check the following before requesting
The monitor screen flickers. | Check if the signal cable between the computer and the monitor is securely | |
| connected and tightened. | |
| (Refer to Connecting to a Computer) | |
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Blank spaces are found at the top and bottom of | Blank spaces on the screen are not caused by the monitor. | |
the screen when an HDMI or | The cause of the problem is the PC or graphics card, and can be fixed by | |
connected to the monitor and PC. | ||
adjusting the screen size in the HDMI or DVI option of the graphics card | ||
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| settings menu. | |
| If the graphics card settings menu has no option to adjust the screen size, | |
| update the graphics card driver to the latest version. | |
| (Please contact the graphics card or computer manufacturer for details on | |
| how to adjust the screen settings.) | |
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PROBLEMS RELATED TO SCREEN | ||
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Screen is blank and power indicator is off. | Ensure that the power cord is firmly connected and the product is on. | |
| (Refer to Connecting to a Computer) | |
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<Check Signal Cable> message | Ensure that the signal cable is firmly connected to the PC or video sources. | |
| (Refer to Connecting to a Computer) | |
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<Mode not supported> message is shown | Check the maximum resolution and the frequency of the video adapter. | |
| Compare these values with the data in the Standard Signal Mode Table. | |
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Picture rolls vertically. | Check if the signal cable is securely connected.Connect it again securely. | |
| (Refer to Connecting to a Computer) | |
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Image is not clear. Picture is blurred. | Run Frequency <Coarse > and < Fine> tuning. | |
| Turn on again after removing all accessories(video extension cable, etc.) | |
| Set resolution and frequency to the recommended ranges. | |
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Picture image is unstable and vibrates. | Check if the resolution and frequency set for the computer video card falls | |
| in the range supported by the monitor. If not, reset them referring to the | |
Ghost images are shown in the picture. | ||
current <Information> under the monitor menu and Standard Signal Mode | ||
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| Table. | |
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The image is too light or too dark | Adjust the Brightness and Contrast | |
| (Refer to the <Brightness>, <Contrast>) | |
| The display brightness can differ according to the mode set for <MagicAn- | |
| gle>. | |
| If <MagicBright> is set to <Dynamic Contrast>, the display brightness can | |
| differ according to the input signal. | |
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Screen is blank and the power indicator light | The monitor is using its power management system | |
blinks every 0.5 or 1 seconds | Press a key on the keyboard | |
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The screen is blank and is blinking. | If you see the TEST GOOD message on the screen when you press the [ | |
| MENU] button, check the cable connection between the monitor and the | |
| computer to ensure that the connector is properly connected. | |
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Troubleshooting |