Introduction
The LG 34UC79G-B is a 34-inch 21:9 Curved UltraWide IPS Gaming Monitor designed for an immersive visual experience. It features a 144Hz refresh rate and AMD FreeSync technology for smooth gameplay. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your monitor.
Product Overview
- 34-inch 21:9 UltraWide Curved IPS Display
- 144Hz Refresh Rate
- AMD FreeSync Technology
- 1ms Motion Blur Reduction
- Advanced Gaming Features (Crosshair)
- Brightness: 250cd/m² (Typ.), 200cd/m² (Min.)
- Response Time: 14ms / 5ms GTG
What's in the Box
The following items are included with your LG 34UC79G-B monitor:
- Monitor
- Base
- Power Cord
Setup Instructions
Follow these steps to assemble and connect your monitor.
1. Assembling the Stand
Attach the stand base to the stand neck, then secure the assembled stand to the back of the monitor. Ensure all connections are firm.

Image: Rear view of the LG 34UC79G-B monitor showing the stand attachment point. The stand neck slides into a slot on the back of the monitor, and the base attaches to the bottom of the neck.

Image: Close-up of the rear input/output ports on the LG 34UC79G-B monitor, including DisplayPort, HDMI, USB 3.0, and audio out.
2. Connecting to a Computer
Connect the power cord to the monitor and a power outlet. Use a DisplayPort cable for 144Hz refresh rate or an HDMI cable for other resolutions. The monitor supports HDMI 1080p or recommended resolution to avoid flickering.
3. Adjusting the Monitor
The monitor stand allows for height, tilt, and swivel adjustments to optimize your viewing experience.
Video: An official LG video demonstrating the setup and features of an LG Gaming Monitor with UltraWide Screen. This video highlights the immersive experience and adjustable stand.
Operating Instructions
On-Screen Display (OSD) Controls
The monitor features an intuitive joystick control located on the bottom center for navigating the On-Screen Display (OSD) menu.
Key Features
- 144Hz Refresh Rate: Provides fluid motion for fast-paced games.
- AMD FreeSync Technology: Synchronizes the monitor's refresh rate with your GPU's frame rate to eliminate screen tearing and stuttering. Ensure your graphics card supports FreeSync and it is enabled in your system settings.
- 1ms Motion Blur Reduction: Reduces motion blur for clearer images in dynamic scenes.
- Crosshair Feature: Provides a fixed crosshair on the screen for enhanced aiming in FPS games.
Video: A video showcasing immersive gameplay on an LG UltraGear OLED Monitor, demonstrating the smooth visuals and responsiveness.
Maintenance
- Cleaning the Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, use a screen-specific cleaning solution applied to the cloth, not directly to the screen.
- General Care: Avoid placing heavy objects on the monitor. Keep the monitor away from direct sunlight and heat sources. Ensure proper ventilation around the monitor.
Troubleshooting
- Screen Flickering: If the screen flickers, especially when using HDMI 1080i 60/50 Hz (interlaced), change the resolution to 1080P or the recommended resolution.
- No Display: Check all cable connections (power, DisplayPort/HDMI) to ensure they are securely plugged in. Verify the correct input source is selected in the OSD menu.
- Ghosting/Motion Blur: Ensure 1ms Motion Blur Reduction is enabled in the OSD settings. Check your graphics card drivers are up to date.
Specifications
| Feature | Specification |
|---|---|
| Screen Size | 34 Inches |
| Panel Type | IPS |
| Aspect Ratio | 21:9 |
| Max Screen Resolution | 2560 x 1080 Pixels |
| Refresh Rate | 144Hz |
| Response Time | 14ms / 5ms GTG |
| Brightness | 250cd/m² (Typ.), 200cd/m² (Min.) |
| Connectivity | DisplayPort, HDMI, 2x USB 3.0 Ports |
| Dimensions with Stand (WxHxD) | 32.7 x 17.7 x 11.0 Inches (down) : 15.7 Inches (up) |
| Dimensions without Stand (WxHxD) | 32.7 x 14.6 x 3.0 Inches |
| Item Weight | 18.9 pounds |
Warranty and Support
For warranty information and technical support, please refer to the official LG website or contact LG customer service. Keep your purchase receipt for warranty claims.