1. Introduction
Thank you for purchasing the LG 27G411A UltraGear Gaming Monitor. This manual provides essential information for the safe and efficient use of your monitor. Please read it thoroughly before operating the product and retain it for future reference. This 27-inch Full HD (1920 x 1080) IPS display is designed for an immersive gaming experience, featuring a 144Hz refresh rate, 1ms Motion Blur Reduction (MBR), HDR10 support, and compatibility with NVIDIA G-Sync and AMD FreeSync technologies.

Figure 1: Front view of the LG 27G411A UltraGear Gaming Monitor.
2. Safety Information
Observe the following safety precautions to prevent damage to the product or injury to yourself and others.
- Power: Use only the power cord and adapter supplied with the monitor. Do not overload power outlets.
- Placement: Place the monitor on a stable, level surface. Avoid direct sunlight, heat sources, and areas with high humidity or dust. Ensure adequate ventilation around the monitor.
- Handling: Do not drop the monitor or subject it to strong impacts. Avoid touching the screen with sharp objects.
- Cleaning: Disconnect the power cord before cleaning. Use a soft, dry cloth. Do not use liquid cleaners or aerosol sprays.
- Repairs: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
3. Package Contents
Verify that all items are present in your product box:
- LG 27G411A UltraGear Monitor
- Power Cable
- HDMI Cable
- Monitor Stand (Base and Neck)
- User Manual (this document)
4. Setup
4.1 Monitor Assembly
Follow these steps to assemble the monitor stand and attach it to the display panel.
- Carefully place the monitor face down on a soft cloth or cushion to prevent scratches.
- Attach the stand neck to the base, securing it with the captive screw.
- Align the assembled stand with the mounting slot on the back of the monitor panel and push until it clicks into place.
- Alternatively, the monitor supports VESA 100x100mm wall mounting. Remove the stand if using a wall mount.

Figure 2: Illustration of the monitor's ultra-slim design, tilt adjustment, and VESA wall mount compatibility.
4.2 Connecting the Monitor
Connect your devices to the monitor using the appropriate cables.
- Power Connection: Connect the power cable to the monitor's power input and then to a wall outlet.
- HDMI Connection: Use the supplied HDMI cable to connect your computer or gaming console to the HDMI port on the monitor.
- DisplayPort Connection: For optimal performance, especially for 144Hz refresh rate, connect your computer to the DisplayPort (DP) on the monitor using a DisplayPort cable (not always included).
- Headphone Out: Connect headphones or external speakers to the 3-pole headphone out port for audio output.

Figure 3: Rear view of the monitor displaying the power input, HDMI, DisplayPort, and headphone out ports.

Figure 4: Detailed view of the DisplayPort (DP-IN), HDMI, and Headphone (HP) ports.
5. Operating Instructions
5.1 Power On/Off
Press the joystick button located at the bottom center of the monitor to turn it on or off. A short press will bring up the OSD menu, while a long press will power off the monitor.
5.2 On-Screen Display (OSD) Menu
The OSD menu allows you to adjust various monitor settings. Use the joystick button to navigate:
- Move the joystick up/down/left/right to navigate through menu options.
- Press the joystick to select an option or confirm a setting.
5.3 Picture Modes
The monitor offers several preset picture modes optimized for different content types:
- Custom: Allows manual adjustment of all picture settings.
- Gamer1/Gamer2: User-configurable modes for gaming preferences.
- FPS/RTS: Optimized for First-Person Shooter and Real-Time Strategy games.
- Vivid: Enhances color and contrast for general viewing.
- Reader: Reduces blue light for comfortable reading.
- HDR Effect: Simulates HDR content for non-HDR sources.
- Color Weakness: Adjusts color settings to assist users with color vision deficiency.
5.4 Gaming Enhancements
The LG 27G411A is equipped with features to enhance your gaming experience:
- 144Hz Refresh Rate & 1ms MBR: Experience fluid motion and reduced ghosting. The monitor supports a native 120Hz refresh rate and up to 144Hz in overclock mode via DisplayPort 1.4 (HDMI 2.0 supports up to 144Hz).
- AMD FreeSync & NVIDIA G-Sync Compatible: Synchronizes the monitor's refresh rate with your GPU's frame rate to eliminate screen tearing and stuttering.
- Black Stabilizer: Brightens dark areas to help you spot enemies hiding in shadows.
- Dynamic Action Sync (DAS): Minimizes input lag for real-time action.
- Crosshair: Places a fixed crosshair in the center of the screen for improved aiming in FPS games.

Figure 5: Visual representation of 144Hz overclock for fluid gaming motion.

Figure 6: Illustration of 1ms Motion Blur Reduction (MBR) for fast-paced gaming. Note: 1ms MBR causes lowered luminance and cannot be used with AMD FreeSync/DAS. Flicker may occur during 1ms MBR operation.

Figure 7: The monitor is certified compatible with NVIDIA G-Sync and AMD FreeSync technologies.

Figure 8: Precision Gaming Mode features: Dynamic Action Sync (DAS), Black Stabilizer, and Crosshair.
5.5 Eye-Care Features
To reduce eye strain during prolonged use, the monitor includes:
- Flicker Safe: Reduces screen flicker to minimize eye fatigue.
- Reader Mode: Adjusts color temperature and brightness to simulate paper, making it easier on the eyes for reading tasks.
- Color Weakness: Provides color adjustments for users with color vision deficiencies.
5.6 Smart Convenience (LG Switch App)
The LG Switch app offers enhanced control and customization options for your monitor directly from your computer. Features include Dual mode, Smart screen split, Launch a video call, and Personalized Picture Wizard.

Figure 9: The LG Switch app provides smarter control and seamless switching between various display modes and settings.
6. Maintenance
6.1 Cleaning the Monitor
To maintain the monitor's appearance and performance:
- Always unplug the monitor from the power outlet before cleaning.
- Use a soft, lint-free cloth to gently wipe the screen and exterior surfaces.
- For stubborn marks, lightly dampen the cloth with water or a mild, non-abrasive screen cleaner. Do not spray liquid directly onto the screen.
- Avoid using benzene, alcohol, or other volatile solvents, as they may damage the monitor.
7. Troubleshooting
If you encounter issues with your monitor, refer to the following common solutions:
| Problem | Possible Cause / Solution |
|---|---|
| No power | Ensure the power cable is securely connected to the monitor and a working power outlet. Check if the power outlet is functional. |
| No signal / Blank screen | Verify that the video cable (HDMI or DisplayPort) is securely connected to both the monitor and your computer/device. Ensure the correct input source is selected in the OSD menu. Check if the computer is powered on and not in sleep mode. |
| Flickering or distorted image | Check the video cable for damage or loose connections. Try a different video cable or port. Adjust the refresh rate settings on your computer. Disable 1ms MBR if flicker is observed. |
| Backlight leakage on corners | Minor backlight leakage can be a characteristic of IPS panels, especially visible on a completely black screen in a dark environment. This is generally not considered a defect unless it significantly impacts normal viewing. |
| Monitor not recognized by PC | Update your graphics card drivers. Restart your computer. |
8. Specifications
Key technical specifications for the LG 27G411A UltraGear Gaming Monitor:
- Screen Size: 27 Inches (68.5 cm)
- Panel Type: IPS
- Resolution: FHD (1920 x 1080)
- Aspect Ratio: 16:9
- Refresh Rate: 144 Hz (Overclock)
- Response Time: 1ms MBR (5ms GTG)
- Brightness: 250 cd/m² (typical)
- Contrast Ratio: 1500:1
- Color Gamut: sRGB 99%
- HDR Support: HDR10
- Adaptive Sync: NVIDIA G-Sync Compatible, AMD FreeSync
- Viewing Angle: 178° (H/V)
- Connectivity: 1 x HDMI, 1 x DisplayPort, 1 x Headphone Out
- Dimensions (with stand, WxHxD): 61.2 x 45.2 x 22 cm (24.07 x 17.81 x 8.66 inches)
- Weight (with stand): 3.8 kg
- Power Consumption: 20W (typical)

Figure 10: Physical dimensions and weight of the LG 27G411A monitor with and without the stand.
9. Warranty Information
This LG 27G411A UltraGear Gaming Monitor comes with a 3 Years Manufacturer Warranty covering parts and labor. Please retain your proof of purchase for warranty claims. For detailed terms and conditions, refer to the warranty card included in your product packaging or visit the official LG website.
10. Customer Support
For further assistance, technical support, or service inquiries, please contact LG Customer Service. You can find contact information on the official LG website or in the documentation provided with your monitor.
LG Electronics India Pvt. Ltd.
PLOT NO. A-5, MIDC RANJANGAON.
TALUKA SHIRUR, PUNE, MAHRASHTRA (INDIA), 412220







