1. Introduction
This manual provides essential information for setting up, operating, and maintaining your Alienware AW2521H 25-inch Full HD LED LCD Monitor. Designed for high-performance gaming and versatile use, this monitor features a 16:9 widescreen resolution, a high refresh rate, and low response time for a smooth visual experience.

Figure 1: Front view of the Alienware AW2521H monitor.
2. Setup
2.1. Assembly
Carefully remove all components from the packaging. Attach the monitor panel to the stand base by aligning the mounting points and securing them firmly. Ensure the stand is stable before proceeding.

Figure 2: Rear view of the monitor with the stand assembled.
2.2. Connections
Connect the power cable to the monitor and a power outlet. Use the provided DisplayPort or HDMI cables to connect the monitor to your computer's graphics card. The monitor also features multiple USB ports for connecting peripherals.

Figure 3: Detailed view of the monitor's rear connectivity ports.
3. Operating Instructions
3.1. Power On/Off
Press the power button located on the monitor to turn it on or off. The power LED will indicate the monitor's status.
3.2. On-Screen Display (OSD) Menu
Navigate the OSD menu using the joystick control typically found on the rear or bottom of the monitor. The OSD allows you to adjust various settings:
- Picture Settings: Adjust brightness, contrast, color temperature, and gamma.
- Game Settings: Configure refresh rate, response time, Adaptive-Sync, and game-specific modes.
- Input Source: Select between DisplayPort and HDMI inputs.
- Display Settings: Adjust aspect ratio and sharpness.
3.3. Key Features
- High Refresh Rate: Experience ultra-smooth gameplay with a high refresh rate, reducing motion blur.
- Fast Response Time: Achieve quick pixel transitions for crisp, clear images without ghosting.
- Adaptive-Sync Technology: Synchronizes the monitor's refresh rate with your GPU's frame rate to eliminate screen tearing and stuttering.
- LED Backlight: Provides efficient power consumption and vibrant visuals.
4. Maintenance
4.1. Cleaning the Monitor
To clean the monitor screen, gently wipe it with a soft, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a mild, non-abrasive screen cleaner. Avoid using harsh chemicals or abrasive materials.
4.2. General Care
Keep the monitor in a well-ventilated area. Avoid placing heavy objects on the monitor or its cables. Protect the screen from direct sunlight and extreme temperatures.
5. Troubleshooting
If you encounter issues with your monitor, refer to the following common solutions:
- No Power: Ensure the power cable is securely connected to both the monitor and the power outlet. Check if the power outlet is functional.
- No Signal: Verify that the video cable (DisplayPort or HDMI) is correctly connected to both the monitor and your computer. Ensure your computer is powered on and the correct input source is selected on the monitor.
- Image Issues: Adjust brightness, contrast, and resolution settings via the OSD menu or your computer's display settings. Ensure your graphics drivers are up to date.
- Flickering/Tearing: Confirm Adaptive-Sync is enabled in the OSD menu and your graphics card settings.
6. Specifications
| Feature | Specification |
|---|---|
| Model Number | AW2521H |
| Screen Size | 25 Inches |
| Screen Resolution | 1920x1080 (Full HD) |
| Max Screen Resolution | 1920 x 1080 Pixels |
| Aspect Ratio | 16:9 |
| Viewing Angle | 178° (H) / 178° (V) |
| Brightness | 400 cd/m² |
| Response Time | 0.5ms (GtG) |
| Refresh Rate | 360 Hz |
| Connectivity | DisplayPort, HDMI, 5x USB 3.0, 5x USB 2.0 |
| Dimensions (LxWxH) | 9.9 x 21.9 x 20.7 inches |
| Item Weight | 9.96 pounds |
| Color | Black |
| Manufacturer | Dell Computers |

Figure 4: Monitor dimensions.
7. Warranty and Support
The Alienware AW2521H monitor is manufactured by Dell Computers and typically comes with a 3-year limited hardware warranty. For technical assistance, warranty claims, or customer service, please contact Dell Support directly. Refer to the documentation included with your product for specific contact information and warranty terms.
7.1. Official Product Video
Video 1: Official overview of the Alienware AW2521H Gaming Monitor by Dell Marketing USA, LP.





