1. Introduction
Thank you for purchasing the LG 27-inch UltraGear Gaming Monitor (Model 27GQ5B). This monitor is designed to provide an immersive gaming experience with its Full HD (1920 x 1080) display, 165Hz refresh rate, and 1ms Motion Blur Reduction. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your new monitor. Please read it thoroughly before use to ensure proper operation and to maximize the product's lifespan.
2. Safety Information
Please observe the following safety precautions to prevent damage to your monitor and to ensure your personal safety.
- Do not place the monitor near heat sources or in direct sunlight.
- Ensure proper ventilation around the monitor to prevent overheating.
- Use only the power adapter and cables supplied by LG.
- Do not expose the monitor to rain or moisture.
- Avoid placing heavy objects on the power cord or monitor.
- Unplug the monitor from the power outlet during lightning storms or when unused for long periods.
- Do not attempt to disassemble or repair the monitor yourself. Refer all servicing to qualified service personnel.
3. Package Contents
Verify that all items are present in your product box. If any items are missing or damaged, contact your retailer.
- LG 27-inch UltraGear Gaming Monitor (27GQ5B)
- Monitor Stand (Base and Neck)
- Power Cord
- HDMI Cable
- User Manual (this document)
- Other documentation (e.g., warranty card)
4. Setup
4.1 Assembling the Stand
- Carefully place the monitor screen face down on a soft, clean surface to prevent scratches.
- Attach the stand neck to the monitor panel. Ensure it clicks securely into place.
- Attach the stand base to the stand neck. Tighten the captive screw on the bottom of the base to secure it.

Figure 4.1: Front view of the monitor with the stand assembled.
4.2 Connecting the Monitor
Connect the monitor to your computer and power source using the provided cables.
- Power Connection: Connect the power cord to the monitor's power input and then to a wall outlet.
- Video Connection: Connect one end of the HDMI cable (or DisplayPort cable, if using) to the corresponding port on your computer's graphics card and the other end to an HDMI or DisplayPort input on the monitor.
- Audio Connection (Optional): If you wish to use external speakers or headphones, connect them to the monitor's headphone output jack.

Figure 4.2: Rear view of the monitor displaying available connection ports.

Figure 4.3: Side profile of the monitor, showing its physical depth.
5. Operating Instructions
5.1 Powering On/Off
Press the power button (usually a joystick button located at the bottom center of the monitor) to turn the monitor on or off.
5.2 On-Screen Display (OSD) Menu
The OSD menu allows you to adjust various settings of your monitor. Use the joystick button to navigate the menu.
- Move Joystick Up/Down: Navigate through menu options.
- Move Joystick Left/Right: Adjust values or move to sub-menus.
- Press Joystick: Select an option or confirm a setting.
5.3 Key Features and Settings
Optimize your gaming experience by adjusting the following settings:
- Refresh Rate (165Hz): Ensure your computer's display settings are configured to output 165Hz for the smoothest motion.
- Response Time (1ms Motion Blur Reduction): This feature reduces motion blur for clearer fast-paced action. It can be enabled or disabled via the OSD menu.
- AMD FreeSync Premium: This technology synchronizes the monitor's refresh rate with your AMD graphics card's frame rate to eliminate screen tearing and stuttering. Ensure it is enabled in both the monitor's OSD and your graphics card's control panel.
- Black Stabilizer: This feature brightens dark areas, making it easier to spot enemies hiding in shadows. Adjust its level through the OSD menu.
- Picture Mode: Select from various preset picture modes (e.g., Gamer 1, FPS, RTS, Vivid, Reader) or customize your own settings for brightness, contrast, sharpness, and color temperature.

Figure 5.1: Visual representation of the monitor's high refresh rate and low response time.

Figure 5.2: Explanation of AMD FreeSync Premium integration.

Figure 5.3: The monitor showcasing its virtually borderless design and graphic capabilities.
6. Maintenance
6.1 Cleaning the Monitor
To clean the monitor, follow these steps:
- Always unplug the monitor from the power outlet before cleaning.
- Use a soft, lint-free cloth lightly dampened with water or a specialized screen cleaner.
- Do not spray cleaner directly onto the screen.
- Avoid using abrasive cleaners, waxes, or solvents as they can damage the screen or casing.
6.2 General Care
- Avoid touching the screen with sharp objects.
- Do not block the ventilation openings on the monitor.
- Store the monitor in a cool, dry place if not in use for an extended period.
7. Troubleshooting
If you encounter issues with your monitor, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord not connected; Power outlet faulty | Ensure power cord is securely connected to monitor and outlet; Test outlet with another device. |
| No signal | Video cable not connected; Incorrect input source selected | Check video cable connections; Select correct input source via OSD menu. |
| Screen flickering | Loose video cable; Graphics card driver issue; Refresh rate mismatch | Secure video cable; Update graphics drivers; Ensure monitor and PC refresh rates match. |
| Image too dark/bright | Brightness/Contrast settings incorrect | Adjust Brightness and Contrast settings in the OSD menu. |
If the problem persists after trying these solutions, please contact LG customer support.
8. Specifications
Detailed technical specifications for the LG 27-inch UltraGear Gaming Monitor (Model 27GQ5B).
- Model Number: 27GQ5B
- Screen Size: 27 Inches
- Display Type: FHD (Full High Definition)
- Resolution: 1920 x 1080 Pixels
- Aspect Ratio: 16:9
- Refresh Rate: 165 Hz
- Response Time: 1ms (Motion Blur Reduction)
- Brightness: 250 cd/m²
- Contrast Ratio: 1800:1
- Special Features: AMD FreeSync Premium, Black Stabilizer, 3-Side Virtually Borderless Screen
- Connectivity: HDMI, DisplayPort
- Product Dimensions (W x H x D with stand): Approximately 26 x 20 x 8 inches (66 x 50.8 x 20.3 cm)
- Item Weight: 15 pounds (6.8 kg)
- Manufacturer: LG

Figure 8.1: Monitor dimensions with stand.
9. Warranty and Support
Your LG 27-inch UltraGear Gaming Monitor is covered by a limited warranty. Please refer to the warranty card included in your package for specific terms and conditions, including warranty period and coverage details.
For technical support, service inquiries, or to obtain replacement parts, please contact LG Customer Service through their official website or the contact information provided in your warranty documentation.
LG Official Website: www.lg.com/us/support