What to do if nothing is displayed on my LG 34WN780-B screen?
If nothing is displayed on your LG Monitor screen, ensure the power cord is correctly plugged into the power outlet. Also, verify the power cable connection and press the power button. You should also check that the connected input is enabled within the monitor's settings under the 'Input' option.
Why is my LG Monitor displaying nothing?
If your LG Monitor displays nothing, it could be due to a missing or disconnected signal cable between your PC and the monitor. Check the cable and reconnect it securely. Also, the signals transferred from the PC (graphics card) might be out of the horizontal or vertical frequency range of the monitor. Refer to the Product Specification section of this manual to set the appropriate frequency.
How to fix a blank screen on my LG 34WN780-B Monitor?
To fix a blank screen on your LG Monitor, start by checking if the power cord is properly connected to the power outlet. Also, check the power cable connection and make sure to press the power button. Verify that the correct input source is selected in the monitor's settings under the 'Input' menu.
Details on HDMI and its logo as registered trademarks of HDMI Licensing Administrator, Inc.
Information regarding VESA and DisplayPort compliance logos as registered trademarks.
The SuperSpeed USB Trident logo is a registered trademark of USB Implementers Forum, Inc.
Information on MaxxAudio and related trademarks registered by Waves Audio Ltd.
Important warnings and cautions for safe assembly and handling of the monitor.
Information on downloading and installing necessary drivers and software for the monitor.
Guide to using the joystick button for monitor functions like power and volume control.
Instructions to prevent damage or injury when moving or lifting the monitor.
Safety cautions and requirements for securely installing the monitor on a table.
Instructions on how to properly position and secure the clamp mount to a table.
Instructions for connecting the monitor to a computer using various interfaces.
Details on connecting via HDMI and DisplayPort for video and audio signals.
How to connect audio/video sources like AV devices to the monitor.
Information on connecting USB devices and using the monitor as a USB hub.
How to access and navigate the monitor's on-screen display (OSD) menu.
Adjusting common settings like brightness, contrast, and volume quickly.
Configuring picture modes, color, sharpness, and other visual display settings.
Adjusting volume and audio features like MaxxAudio.
Configuring energy saving, standby, and compatibility modes.
Solutions for issues like no display, shaky screen, or image sticking.
Troubleshooting for when monitor features are unavailable or disabled.
Resolving unrecognized monitor messages and lack of sound from the headphone port.
Details on screen resolution, power rating, and consumption.
Information on operating conditions, temperature, humidity, and physical dimensions.
Specifications regarding the weight of the monitor with and without the stand.
Details on screen resolution, power rating, and consumption for the 34BN780 model.
Operating conditions, temperature, humidity, and physical dimensions for the 34BN780.
Weight specifications for the 34BN780 model with and without stand.
Table of preset modes, frequencies, and polarity for PC input.
Details on preset video modes and their corresponding horizontal/vertical frequencies.
Explains the LED color indications for different monitor operating modes.
General| Screen Size | 34 inches |
|---|---|
| Resolution | 3440 x 1440 |
| Aspect Ratio | 21:9 |
| Panel Type | IPS |
| Refresh Rate | 60Hz |
| Brightness | 300 cd/m² |
| Contrast Ratio | 1000:1 |
| HDR | HDR10 |
| VESA Mounting | 100 x 100 mm |
| Color Gamut | sRGB 99% |
| Response Time | 5ms |
| Connectivity | 2 x HDMI, DisplayPort, USB-C, 2 x USB 3.0 |
| Viewing Angle | 178° (H) / 178° (V) |
| Adjustability | Height, Tilt |
To Next Page
