Why is my Dahua E330C Monitor picture flickering or showing ripples?
- JJames MckenzieAug 14, 2025
A flickering picture or ripples on your Dahua Monitor may be due to electrical appliances or equipment causing electronic disturbance nearby.

Why is my Dahua E330C Monitor picture flickering or showing ripples?
A flickering picture or ripples on your Dahua Monitor may be due to electrical appliances or equipment causing electronic disturbance nearby.
How to fix Dahua Monitor when the power indicator light is not on?
If the power indicator light on your Dahua Monitor is not on, check if the power is on and ensure the power cord is properly connected.
What to do if white looks not white on Dahua E330C?
If white does not look white on your Dahua Monitor and there's a color difference, try adjusting the RGB color settings or reselecting the color temperature.
How to fix dim picture on Dahua E330C?
To fix a dim picture on your Dahua Monitor, adjust the brightness and contrast settings.
How to resolve blurry screen font under VGA signal on Dahua E330C Monitor?
If the screen font appears blurry under a VGA signal on your Dahua Monitor, select the "E" option to automatically adjust the image.
What causes color shortage (red, green, blue) on Dahua E330C?
If you are experiencing a shortage of red, green, and blue colors on your Dahua Monitor, check the signal cable to ensure every pin is not bent.
How to correct screen color error under VGA signal on Dahua E330C Monitor?
To correct a screen color error under a VGA signal on your Dahua Monitor, select "Auto color" in the OSD (On-Screen Display) while displaying a white output screen.
How to center picture on Dahua E330C?
Use the hot key (AUTO) to adjust the picture if it is not in the middle, or the size is not right on your Dahua monitor.
Why is plug-and-play not working on my Dahua E330C?
If plug-and-play is not working on your Dahua Monitor, verify that the plug-and-play function of the device is compatible with your PC and that your display card is compatible with the plug-and-play function.
| Response Time | 5ms |
|---|---|
| Aspect Ratio | 16:9 |
| Brightness | 250 cd/m² |
| Viewing Angle | 178° (H) / 178° (V) |
| Resolution | 1920 x 1080 |
| Connectivity | HDMI, VGA |
| Input Ports | HDMI, VGA, BNC |
| Power Consumption | ≤ 30W |
| Storage Temperature | -20°C to 60°C |
Describes the meaning of signal words like DANGER, WARNING, CAUTION, TIPS, NOTE.
Provides guidance on manual usage, disclaimers, and update policy.
Details safe handling and usage precautions for the monitor.
Outlines essential safety guidelines for the proper installation of the monitor.
Lists all items included in the package for the DHI-LM30-E330C model.
Lists all items included in the package for the DHI-LM30-E330CA model.
Lists all items included in the package for the DHI-LM34-E330C model.
Lists all items included in the package for the DHI-LM34-E330CA model.
Details the tilt angle adjustment range for the DHI-LM30-E330C monitor.
Describes tilt, rotation, and height adjustment ranges for the DHI-LM30-E330CA monitor.
Details the tilt angle adjustment range for the DHI-LM34-E330C monitor.
Describes tilt, rotation, and height adjustment ranges for the DHI-LM34-E330CA monitor.
Explains the LED indicator and OSD control buttons for the DHI-LM30-E330C.
Explains the LED indicator and OSD control buttons for the DHI-LM30-E330CA.
Explains the LED indicator and OSD control buttons for the DHI-LM34-E330C.
Explains the LED indicator and OSD control buttons for the DHI-LM34-E330CA.
Illustrates and describes the input/output ports for the DHI-LM30-E330C.
Illustrates and describes the input/output ports for the DHI-LM30-E330CA.
Illustrates and describes the input/output ports for the DHI-LM34-E330C.
Illustrates and describes the input/output ports for the DHI-LM34-E330CA.
Explains how to navigate and use the OSD menu for specific models.
Explains how to navigate and use the OSD menu for specific models.
Details OSD menu options like Game Settings, Picture Settings, Color Settings.
Continues OSD menu functions for PIP/PBP, OSD Settings, Other Settings.
Details OSD menu options like Game Settings, Picture Settings, Color Settings.
Continues OSD menu functions for PIP/PBP, OSD Settings, Other Settings.