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Images are flickering or fluttering on the screen.
- If you turn the monitor on when it is cold, the screen may flicker. This is normal.
- Make sure that the current resolution and frequency settings of the graphics card are supported by the monitor.
•
Stripes appear in the background.
- D-Sub analog signal - Press the
status that fits into the current mode. If the adjustment is not satisfactory, adjust the display settings manually in
the OSD menu.
•
Horizontal noise appears or the characters look blurred.
- D-Sub analog signal - Press the
status that fits into the current mode. If the adjustment is not satisfactory, adjust the display settings manually in
the OSD menu.
Issues Related to Screen (Color)
•
Screen has poor color resolution (16 colors).
- Use PC settings to set the color to 24 bits (True Color) or above.
•
Screen color is unstable or mono-colored.
- Check the connection status of the signal cable. Or, re-insert the PC graphics card.
•
Black spots or bright spots appear on the screen.
- Some pixels (red, green, blue, black) are visible on the screen due to the unique characteristics of the display panel.
This is not a malfunction of the product.
•
The screen's brightness seems dark.
- Adjust brightness and contrast again.
- Backlight may need repair.
Issues Related to Sound
•
There is no sound output.
- See if the audio cable is connected properly.
- Adjust the volume of the product or external device.
- See if the sound is set properly.
•
Sound is too dull.
- Select the appropriate equalizer sound.
•
Sound is too low.
- Adjust the volume of the product or external device.
•
For some models, you will need to purchase external speakers separately since they do not have speakers built-in.
Other Issues
•
The power suddenly turned off.
- Check if the auto-off function is activated on the settings related time.
- Power source has not being supplied properly. See if the product power cord is connected properly.
- Check the power control settings.
button in the remote control to automatically select the optimal screen
button in the remote control to automatically select the optimal screen
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