1. Introduction and Overview
This manual provides instructions for the setup, operation, maintenance, and troubleshooting of your Acer Predator X27 4K UHD IPS Monitor. The Predator X27 is a 27-inch (3840 x 2160) monitor featuring an IPS panel, 144Hz refresh rate, and 4ms response time, enhanced with NVIDIA G-SYNC Ultimate technology and Quantum Dot for rich color reproduction.
2. Package Contents
The following items are included in the product package:
- Display
- Stand
- Predator Shield
- Power Cord
- Display Port Cable
- USB Cable
3. Setup
3.1 Unpacking
Carefully remove all components from the packaging.
3.2 Stand Assembly
Attach the monitor stand to the display panel. Ensure it is securely fastened.

Image: Front view of the Acer Predator X27 monitor with its stand attached, ready for use.
3.3 Connecting Cables
- Power Connection: Connect the power cord to the monitor's power input and then to an electrical outlet.
- Video Connection: For optimal performance, connect the DisplayPort cable from your computer's graphics card to the DisplayPort input on the monitor. An HDMI connection is also available.
- USB Connection: Connect the USB cable from your computer to the monitor's upstream USB port to enable the monitor's USB hub.

Image: Rear view of the Acer Predator X27 monitor, highlighting the DisplayPort, HDMI, USB, and power input ports.
3.4 Power On
Press the power button on the monitor to turn it on.
4. Operating Instructions
4.1 Power On/Off
Press the power button located on the monitor to turn it on or off.
4.2 On-Screen Display (OSD) Navigation
Use the control buttons, typically located on the rear or bottom right of the monitor, to access and navigate the OSD menu.
- Menu Button: Opens the OSD menu.
- Navigation Buttons: Used to move through menu options.
- Select Button: Confirms a selection.
4.3 Adjusting Settings
- Brightness/Contrast: Adjust these settings for optimal visual comfort.
- Refresh Rate: Ensure your computer's display settings are configured to utilize the monitor's maximum refresh rate (up to 144Hz via DisplayPort).
- G-SYNC Ultimate: This feature is automatically enabled when connected to a compatible NVIDIA graphics card via DisplayPort.
- Color Settings: Adjust color temperature, gamma, and other color-related settings as needed. The monitor supports 99% Adobe RGB color gamut and Quantum Dot technology for enhanced color accuracy.
5. Maintenance
5.1 Cleaning the Screen
Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, use a monitor-specific cleaning solution applied to the cloth, not directly to the screen.
5.2 Cleaning the Casing
Use a soft, dry cloth to clean the monitor's casing. Avoid abrasive cleaners.
5.3 Ventilation
Ensure the monitor's ventilation openings are not blocked to prevent overheating.
6. Troubleshooting
- No Display:
- Check if the monitor is powered on.
- Verify all video cables are securely connected to both the monitor and the computer.
- Ensure the correct input source is selected in the OSD menu.
- Flickering or Distorted Image:
- Check cable connections.
- Ensure your graphics card drivers are up to date.
- Adjust the refresh rate in your computer's display settings.
- Color Inaccuracies:
- Reset color settings in the OSD to factory defaults.
- Calibrate the monitor using a color calibration tool if professional color accuracy is required.
- G-SYNC Not Working:
- Confirm your graphics card is NVIDIA G-SYNC compatible.
- Ensure G-SYNC is enabled in the NVIDIA Control Panel.
- Verify the monitor is connected via DisplayPort.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | Acer |
| Screen Size | 27 Inches |
| Resolution | 4K UHD (3840 x 2160) |
| Aspect Ratio | 16:9 |
| Panel Type | IPS |
| Refresh Rate | 144 Hz (OverClocking, via DisplayPort) |
| Response Time | 4 Milliseconds (GTG) |
| Display Type | LED |
| Brightness | 600 nit |
| Contrast Ratio | 1000:1 MAX (Native) |
| Color Gamut | 99% Adobe RGB |
| Picture Quality Enhancement | Quantum Dot |
| Adaptive Sync Technology | NVIDIA G-SYNC Ultimate |
| Connectivity | 1x DisplayPort, 1x HDMI |
| USB Ports | 4x USB 3.0 (downstream), 1x USB (upstream) |
| Mounting Type | VESA Compatible (100 x 100mm) |
| Tilt Angle | -5 to 25 degrees |
| Item Weight | 27.06 Pounds |
| Model Number | X27 bmiiphzx |
8. Warranty and Support
This Acer Predator X27 monitor comes with a 3-Year Limited Warranty. For warranty claims or technical support, please refer to the contact information provided in your product documentation or visit the official Acer support website.





