1. Introduction
This manual provides essential information for the safe and efficient use of your Dell S2721HN 27-inch Full HD LED monitor. Please read these instructions carefully before operating the device and retain them for future reference. The Dell S2721HN offers a 27-inch Full HD (1920x1080) display, designed for clear visuals and comfortable viewing.
2. What's in the Box
Verify that all components are present in the package:
- Stand riser
- Stand base
- VESA cover
- Power cable
- HDMI cable
- Quick setup guide
- Safety / Environmental / Regulatory Information
3. Setup
3.1 Assembling the Monitor Stand
To assemble the monitor stand:
- Attach the stand riser to the stand base. Ensure it clicks securely into place.
- Align the assembled stand with the mounting slots on the back of the monitor.
- Gently push the monitor onto the stand until it locks.
- If using a VESA mount, remove the VESA cover from the back of the monitor and attach your VESA-compatible mount.


3.2 Connecting the Monitor
Connect the monitor to your computer and power source:
- Connect one end of the HDMI cable to the HDMI port on your computer and the other end to an HDMI port on the monitor. The Dell S2721HN features two HDMI ports.
- Connect the power cable to the power port on the monitor and then to a wall outlet.
- Press the power button on the monitor to turn it on.

4. Operating the Monitor
4.1 Power On/Off
Press the power button located on the bottom right bezel of the monitor to turn it on or off. The power indicator light will illuminate when the monitor is active.
4.2 Adjusting Display Settings
The monitor features control buttons on the right side of the bottom bezel to access the On-Screen Display (OSD) menu. Use these buttons to navigate and adjust various settings:
- Brightness/Contrast: Adjust the overall luminance and contrast levels of the display.
- Preset Modes: Select from various pre-configured display modes optimized for different content types (e.g., Standard, Movie, Game).
- Input Source: Manually select the active input source (e.g., HDMI1, HDMI2).
- Menu: Access the full OSD menu for advanced settings.


4.3 Video Demonstrations
No official seller videos are available for this product to demonstrate operation or features.
5. Maintenance
5.1 Cleaning the Monitor
To clean your monitor:
- Always unplug the monitor from the power outlet before cleaning.
- Use a soft, lint-free cloth lightly dampened with water or a non-abrasive screen cleaner.
- Do not spray cleaner directly onto the screen.
- Avoid using benzene, thinner, ammonia-based cleaners, or abrasive cleaning agents.
6. Troubleshooting
If you encounter issues with your Dell S2721HN monitor, refer to the following common troubleshooting steps:
- No Display: Ensure all cables (power and HDMI) are securely connected. Check if the monitor is powered on. Try connecting to a different HDMI port or cable.
- Poor Image Quality: Adjust brightness and contrast settings via the OSD menu. Ensure the display resolution on your computer is set to 1920x1080.
- Flickering Screen: Check for loose cable connections. Ensure your graphics card drivers are up to date.
- No Sound (if using monitor's audio out): Verify that the audio cable is connected correctly and that the volume is not muted on both the monitor and your computer.
For more detailed troubleshooting, consult the Dell support website.
7. Specifications
| Feature | Specification |
|---|---|
| Standing screen display size | 27 Inches |
| Screen Resolution | 1920x1080 (Full HD) |
| Max Screen Resolution | 1920 x 1080 |
| Brand | Dell |
| Series | S2721HN |
| Item model number | S2721HN |
| Item Weight | 2.2 pounds |
| Product Dimensions | 6.06 x 24.02 x 14.33 inches |
| Color | Silver |
| Power Source | AC |
| Voltage | 240 Volts (AC) |
| Screen Size | 27 Inches |
| Resolution | FHD 1080p |
| Aspect Ratio | 16:9 |
| Screen Surface Description | Glossy |
8. Warranty and Support
For warranty information, technical support, or service requests, please visit the official Dell support website or contact Dell customer service. Keep your purchase receipt and product serial number handy for faster assistance.
You can find more information and support resources at Dell Support.





