Introduction
The Acer Predator X27U OLED gaming monitor offers a high-performance display solution. This 27-inch OLED panel provides true blacks, infinite contrast ratios, and vibrant colors. Designed for responsive gaming, it features a 240Hz refresh rate and an ultra-fast 30 microsecond response time. The WQHD (2560x1440) resolution balances visual detail with gaming performance. This renewed product has been professionally inspected, tested, and certified to function like new, providing a reliable display for gaming and content creation.
Key Features
- OLED Technology: Experience exceptional visual quality with true blacks, infinite contrast, and vibrant colors on a 27-inch display.
- High Refresh Rate: Enjoy ultra-smooth gaming with a 240Hz refresh rate.
- Rapid Response Time: Benefit from an incredibly fast 30 microsecond response time for clear motion handling.
- WQHD Resolution: The 2560x1440 resolution provides a balance of high detail and optimal performance.
- Compact Design: Precise dimensions of 23.8 x 13.8 x 2.2 inches ensure a seamless fit into various setups.
- Brightness: 150 nit brightness ensures clear visibility in diverse lighting conditions.
- Pixel-Level Dimming: OLED technology enables perfect pixel-level dimming for exceptional HDR performance.
- Connectivity: Comprehensive HDMI connectivity ensures compatibility with modern gaming systems.
Setup
Follow these steps to set up your Acer Predator X27U monitor:
- Unpack the Monitor: Carefully remove the monitor and all accessories from the packaging.
- Assemble the Stand: Attach the monitor stand base to the stand column, then secure the stand to the back of the monitor panel. Ensure all screws are tightened.
- Connect Cables: Connect the power cable to the monitor and a power outlet. Use an HDMI or DisplayPort cable to connect the monitor to your computer or gaming console.
- Power On: Press the power button on the monitor to turn it on.

Figure 1: Front view of the Acer Predator X27U monitor, showcasing its sleek design and display area.

Figure 2: Rear view of the Acer Predator X27U monitor, highlighting the stand attachment and various connectivity ports.
Operating Instructions
To operate your monitor effectively:
- Power On/Off: Use the power button, typically located on the bottom or back of the monitor, to turn the display on or off.
- On-Screen Display (OSD) Menu: Access the OSD menu using the joystick or buttons on the monitor. This allows you to adjust settings such as brightness, contrast, color modes, and input sources.
- Input Selection: Navigate to the input selection option in the OSD menu to switch between connected devices (e.g., PC, game console via HDMI or DisplayPort).
- Refresh Rate: Ensure your computer's display settings are configured to utilize the monitor's full 240Hz refresh rate for the smoothest experience.
- OLED Features: The monitor's OLED technology provides pixel-level dimming for superior contrast. Explore HDR settings in your device's display options for enhanced visual fidelity.
Maintenance
Proper maintenance ensures the longevity and performance of your monitor:
- Cleaning the Screen: Use a soft, lint-free cloth slightly dampened with water or a non-abrasive screen cleaner. Avoid harsh chemicals or direct spraying onto the screen.
- Cleaning the Casing: Wipe the monitor casing with a soft, dry cloth.
- OLED Care: To prevent potential image retention (burn-in), avoid displaying static images for extended periods. Utilize screen savers and the monitor's built-in pixel refresh or pixel shift features if available in the OSD menu.
- Ventilation: Ensure adequate airflow around the monitor to prevent overheating. Do not block ventilation openings.
Troubleshooting
If you encounter issues, refer to these common troubleshooting steps:
- No Power: Check if the power cable is securely connected to both the monitor and the power outlet. Ensure the power outlet is functional.
- No Signal: Verify that the video cable (HDMI/DisplayPort) is correctly connected to both the monitor and your device. Select the correct input source via the OSD menu.
- Flickering/Distorted Image: Check the video cable for damage. Try a different cable or port. Ensure your graphics card drivers are up to date.
- Incorrect Resolution/Refresh Rate: Adjust the display settings in your operating system to match the monitor's native resolution (2560x1440) and desired refresh rate (up to 240Hz).
- Image Retention/Burn-in: If temporary image retention occurs, turn off the monitor for a few hours. Utilize OLED care features in the OSD menu.
Specifications
| Feature | Detail |
|---|---|
| Brand | Acer |
| Model Number | X27U |
| Screen Size | 27 Inches |
| Display Technology | OLED |
| Resolution | WQHD (2560 x 1440) |
| Refresh Rate | 240Hz |
| Response Time | 30 Microseconds (0.03ms) |
| Aspect Ratio | 16:9 |
| Image Brightness | 150 nits |
| Screen Surface Description | Glossy |
| Product Dimensions | 2.2 x 23.8 x 23.8 inches |
| Item Weight | 9.04 pounds |

Figure 3: Acer Predator X27U monitor with key dimensions (23.8" width, 13.8" height, 2.2" depth) indicated.
Warranty and Support
As a renewed product, the Acer Predator X27U monitor typically comes with a 90-day return policy for refunds or replacements. For specific warranty details and technical support, please refer to the documentation provided with your renewed product or contact the Acer Recertified Store directly. Dell customer service is known for being responsive and helpful for their products, which may extend to renewed items sold by authorized sellers.
Additional Information
Video 1: This video demonstrates the features of a 27-inch OLED gaming monitor, highlighting true pixel-level dimming, ultra-fast response time, 10-bit color depth, ultra-thin panel, 240Hz refresh rate, infinite contrast ratio, color accuracy, Adaptive-Sync support, and robust connectivity. While not specific to the Acer Predator X27U, it illustrates general benefits of OLED gaming monitors.







