Samsung 757DFX User Manual (user Manual) (ver.1.0) (English) - Page 51
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Troubleshooting User's Manual 49 Check List Symptom The screen is partially distorted. LED is blinking but no images on the screen. Check List Are there any magnetic products such as an adapter, speaker or a high voltage wire near the monitor? Is the frequency properly adjusted when checking the Display Timing on the menu? Solutions Enter the OSD and perform a "Degauss". Keep the monitor away from any magnetic products. Adjust the frequency properly by referring to the video card manual and the Preset Display Modes. (The maximum frequency per resolution may differ from product to product.) There are only 16 colors shown on the screen. The screen colors have changed after changing the video card. Have the Windows colors been set properly? For Windows 98(95): Set the colors properly at the Control Panel, Display, Settings. For Windows 3.1: Adjust the colors of the screen using the VGA utility provided by the video card. Has the video card been set properly? Set the video card by referring to the video card manual. There is a message that reads "Unrecognized monitor, Plug & Play (VESA DDC) monitor found". Have you installed the monitor driver? See the video card manual to see if the Plug & Play (VESA DDC) function can be supported. Install the monitor driver according to the Driver Installation Instructions. Install the monitor driver according to the Driver Installation Instructions.