Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your ASUS TUF Gaming VG259QMR5A 24.5-inch Full HD monitor. Designed for optimal gaming performance, this monitor features a 310Hz refresh rate, 0.3ms response time, and adaptive sync technologies. Please read this manual thoroughly before using your monitor to ensure proper functionality and to maximize your gaming experience.
Setup
1. Unboxing and Package Contents
Carefully open the monitor packaging. Ensure all components listed below are present.

Image: All items included in the ASUS TUF Gaming VG259QMR5A monitor package, including the monitor, stand components, cables, and documentation.
- VG259QMR5A Gaming Monitor
- DisplayPort cable
- L-shaped Screwdriver
- Power cord (region-dependent)
- Quick start guide
- Warranty Card
2. Monitor Assembly
Follow the instructions in the Quick Start Guide to attach the stand base to the stand neck, and then attach the assembled stand to the monitor panel. Ensure all screws are securely fastened.
3. Connecting the Monitor
Connect the appropriate video cable (DisplayPort or HDMI) from your computer's graphics card to the corresponding input port on the monitor. Connect the power cord to the monitor and then to a power outlet.

Image: Rear view of the monitor highlighting the DisplayPort and HDMI 2.0 input ports for connectivity.
- DisplayPort: For optimal performance, especially with high refresh rates and adaptive sync.
- HDMI 2.0: For connecting to various devices, supporting up to 1080p resolution at high refresh rates.
4. Initial Power On
Press the power button on the monitor. The monitor should automatically detect the input signal. If no image appears, ensure all cables are securely connected and the computer is powered on.
Operating the Monitor
1. Power On/Off
To power on the monitor, press the power button located on the bottom right side. To power off, press and hold the power button for a few seconds until the screen turns off.
2. On-Screen Display (OSD) Navigation
The monitor features an intuitive OSD menu for adjusting various settings. Use the joystick and buttons on the back of the monitor to navigate through the menu options.

Image: The DisplayWidget Center software interface, showing options for customizable settings, firmware updates, and multiscreen control.
For easier control and advanced settings, install the DisplayWidget Center software on your computer. This software allows you to adjust monitor settings directly from your desktop using a mouse.
3. Key Features and Settings

Image: An infographic summarizing the key upgrades of the Series 5 TUF Gaming monitors, including speed, fluidity, gaming AI, colors, and simplicity.
- High Refresh Rate & Fast Response Time: Experience ultra-smooth visuals with an overclockable 310Hz refresh rate and a rapid 0.3ms (GTG) response time, ideal for fast-paced gaming.

Image: The ASUS TUF Gaming monitor showcasing a high-performance gaming scene, emphasizing its upgraded speed and smooth visuals.
- Adaptive Sync Technologies:
- AMD FreeSync™ Premium: Eliminates screen tearing and choppy frame rates.
- NVIDIA® G-SYNC® Compatible: Ensures a fluid, tear-free gaming experience with compatible NVIDIA graphics cards.

Image: A side-by-side comparison demonstrating the visual difference between VRR Off (blurry motion) and VRR On (clear motion) in a gaming scenario.
- Extreme Low Motion Blur Sync (ELMB SYNC): Enables motion blur reduction and adaptive sync to work simultaneously, providing sharp gaming visuals at high frame rates.
- TUF Gaming AI: Features AI-powered enhancements for an improved gaming experience.
- Dynamic Crosshair: Provides an on-screen crosshair for improved aiming.
- AI Visual: Optimizes visual settings based on game content.
- Dynamic Shadow Boost: Enhances dark areas of the game world without overexposing bright areas.

Image: A visual demonstration of the Dynamic Crosshair and AI Visual features, showing how they enhance gameplay visibility before and after activation.
- Enhanced Color Performance: Enjoy vibrant and accurate colors with 99% sRGB coverage.
- ASUS Eye Care Technology: TÜV Rheinland-certified Flicker Free and Low Blue Light technologies help reduce eye strain during extended use.
Video: An official ASUS video showcasing the features and performance of the TUF Gaming monitor series, highlighting its durability and immersive gaming capabilities.
Maintenance
- Cleaning the Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a screen-cleaning solution. Avoid using alcohol-based cleaners or harsh chemicals.
- Cleaning the Casing: Use a soft, dry cloth to clean the monitor casing. Do not use abrasive cleaners.
- General Care:
- Avoid placing the monitor in direct sunlight or near heat sources.
- Ensure adequate ventilation around the monitor.
- Do not block the ventilation openings.
- Unplug the monitor from the power outlet before cleaning or if it will be unused for an extended period.
Troubleshooting
- No Power:
- Check if the power cord is securely connected to the monitor and the power outlet.
- Verify the power outlet is functional by plugging in another device.
- No Image/Signal:
- Ensure the video cable (DisplayPort/HDMI) is firmly connected to both the monitor and your computer.
- Confirm your computer is powered on and not in sleep mode.
- Try selecting the correct input source via the OSD menu.
- Test with a different video cable or port if available.
- Image is Blurry or Distorted:
- Ensure the display resolution and refresh rate are set correctly in your computer's display settings.
- Check the video cable for damage or loose connections.
- Adjust OSD settings such as sharpness, contrast, and brightness.
- Screen Tearing or Stuttering:
- Verify that AMD FreeSync Premium or NVIDIA G-SYNC Compatible is enabled in your graphics card control panel and on the monitor's OSD.
- Ensure your graphics drivers are up to date.
- Dead Pixels: While rare, a small number of non-functioning pixels is inherent in LCD technology. If you experience a significant number of dead pixels, refer to the warranty policy.
Specifications
| Feature | Detail |
|---|---|
| Screen Size | 24.5 Inches |
| Panel Type | Fast IPS |
| Resolution | Full HD (1920x1080) |
| Refresh Rate | Overclock to 310Hz |
| Response Time | 0.3ms (GTG) |
| Adaptive Sync | AMD FreeSync Premium, NVIDIA G-SYNC Compatible |
| Color Gamut | 99% sRGB |
| Connectivity | DisplayPort, HDMI 2.0 |
| Dimensions (LxWxH) | 6.9 x 22 x 16.8 inches |
| Weight | 7.5 pounds |
Warranty
Your ASUS TUF Gaming VG259QMR5A monitor comes with a 3-year limited warranty. Please refer to the included Warranty Card for detailed terms and conditions, including coverage, limitations, and service procedures. Keep your proof of purchase for warranty claims.
Support
For further assistance, technical support, or to download the latest drivers and software (such as DisplayWidget Center), please visit the official ASUS support website. The Quick Start Guide also contains contact information for customer service.





