Imaging problems (for both digital and analog)
Problem | Possible cause and remedy |
3.The screen is too bright or too dark. • Use “Brightness” or “Contrast” in the Setting menu to adjust it. (The LCD monitor backlight has a limited life span. When the screen becomes dark or begins to flicker, contact your local dealer.)
•Turn on the Auto EcoView function. The monitor detects the environmental brightness to adjust the screen brightness automatically.
4. | Characters are blurred. | • | Check whether the PC is configured to meet the |
|
|
| resolution and vertical scan frequency requirements |
|
|
| of the monitor (see |
|
|
| Formats” (page 13)). |
|
| • | Use “Smoothing” in the Setting menu to adjust it (see |
|
|
| “To modify blurred characters/lines “Smoothing”” |
|
|
| (page 27)). |
5. | Afterimages appear. | • | Afterimages are particular to LCD monitors. Avoid |
|
|
| displaying the same image for a long time. |
|
| • | Use the screen saver or power save function to avoid |
|
|
| displaying the same image for extended periods of |
|
|
| time. |
6.Green/red/blue/white dots or defective • This is due to LCD panel characteristics and is not a
dots remain on the screen. | failure. |
7.Interference patterns or pressure marks • Leave the monitor with a white or black screen. The
remain on the screen. |
| symptom may disappear. |
8. Noise appears on the screen. | • | In the Setting menu, set “Overdrive” to “Off” (see “To |
|
| set overdrive intensity “Overdrive”” (page 23)). |
| • | When entering the signals of HDCP system, the |
|
| normal images may not be displayed immediately. |
9.The screen is whitish or blackish.• Use “Color Space” of the “Screen” submenu (for the HDMI input), “Black Level” (see “To adjust black level “Black Level”” (page 17)), and “Contrast” (see “To adjust contrast “Contrast”” (page 17)) in the Setting menu to adjust it.
Imaging problems (for digital only)
| Problem |
| Possible cause and remedy |
10. | The color shown on the display is not | • | Change the color space of the video signal in “Screen” |
| correct (for HDMI input). |
| - “Color Space” under the Setting menu. |
11. | The screen flashes (for HDMI input) | • | Transmittable signals differ on the category of the |
|
|
| HDMI cable. Check whether the cable support High |
|
|
| Speed. |
Chapter 6 Troubleshooting 39