ASUS XG27ACMG

ASUS ROG Strix XG27ACMG 27-inch 1440P USB-C HDR Gaming Monitor User Manual

1. Introduction

This manual provides essential information for the setup, operation, and maintenance of your ASUS ROG Strix XG27ACMG 27-inch 1440P USB-C HDR Gaming Monitor. Designed for professional gamers, this monitor delivers smooth, lifelike visuals with a 1440p resolution, 270Hz (OC) refresh rate, and a rapid 1ms response time. It incorporates AI-powered features and versatile connectivity options, including USB Type-C.

ASUS ROG Strix XG27ACMG 27-inch 1440P USB-C HDR Gaming Monitor

Figure 1.1: Front view of the ASUS ROG Strix XG27ACMG monitor.

Key Features:

2. Setup Guide

2.1 Unboxing and Package Contents

Carefully remove all components from the packaging. Ensure all items listed below are present.

Contents of the ASUS ROG Strix XG27ACMG monitor box

Figure 2.1: Included accessories and monitor components.

Package Contents:

2.2 Monitor Assembly

Follow these steps to assemble the monitor stand and attach it to the display panel. Ensure the monitor is placed on a soft, flat surface during assembly to prevent scratches.

  1. Attach the stand base to the stand neck and secure it with the captive screw.
  2. Align the assembled stand with the mounting holes on the back of the monitor panel.
  3. Gently push the stand into place until it clicks securely.
Diagram showing the ergonomic adjustments of the ASUS ROG Strix XG27ACMG monitor

Figure 2.2: Ergonomic design allows for tilt, swivel, pivot, and height adjustments.

2.3 Connecting the Monitor

Connect the monitor to your computer or other devices using the appropriate cables. Ensure all connections are secure before powering on.

Diagram showing various connectivity ports on the ASUS ROG Strix XG27ACMG monitor

Figure 2.3: Versatile connectivity options including Type-C, DisplayPort 1.4, and HDMI.

Connection Steps:

  1. Power Connection: Connect the power cord to the monitor's power input and then to a power outlet.
  2. Video Input:
    • For optimal performance, connect the included DisplayPort cable from your computer's graphics card to the monitor's DisplayPort input.
    • Alternatively, use an HDMI cable for HDMI input.
    • For USB-C compatible devices, connect a USB-C cable to the monitor's USB Type-C port. This port supports DisplayPort Alt mode and power delivery.
  3. USB Hub (Optional): Connect the USB upstream cable from your computer to the monitor's USB upstream port to enable the monitor's USB downstream ports.
  4. Audio (Optional): If desired, connect external speakers or headphones to the monitor's audio output jack.

3. Operating Instructions

3.1 Powering On/Off

Press the power button located on the monitor to turn it on or off. The power indicator light will illuminate when the monitor is active.

3.2 On-Screen Display (OSD) Menu Navigation

The monitor features an intuitive OSD menu for adjusting various settings. Use the joystick control located on the back or bottom of the monitor to navigate the menu:

3.3 DisplayWidget Center Software

The ASUS DisplayWidget Center software allows for convenient adjustment of monitor settings directly from your computer using a mouse. This eliminates the need to use the physical OSD buttons for many common adjustments.

Screenshot of the ASUS DisplayWidget Center software interface

Figure 3.1: Adjusting monitor settings effortlessly through the DisplayWidget Center software.

3.4 Display Settings

Refresh Rate and Response Time:

The monitor supports up to a 270Hz (overclocked) refresh rate and a 1ms (GTG) response time. These settings are crucial for fluid motion in fast-paced gaming. Ensure your graphics card and connection type support these rates. Adjustments can typically be made in your operating system's display settings or through the monitor's OSD.

G-SYNC Compatibility:

This monitor is G-SYNC Compatible, which synchronizes the monitor's refresh rate with your NVIDIA GPU's frame rate to eliminate screen tearing and minimize stuttering. Enable G-SYNC in the NVIDIA Control Panel after connecting via DisplayPort.

Extreme Low Motion Blur Sync (ELMB SYNC):

ELMB SYNC technology works in conjunction with variable refresh rate (VRR) to further reduce motion blur and ghosting, providing sharp visuals even during intense action. This feature can be enabled via the OSD menu.

Color Settings and HDR:

The monitor offers a wide color gamut (95% DCI-P3) and supports HDR for vibrant and accurate colors. You can fine-tune color settings, including brightness, contrast, and color temperature, through the OSD or DisplayWidget Center. HDR can be enabled in your operating system's display settings.

Image demonstrating vivid color and smooth gradation on the ASUS ROG Strix XG27ACMG monitor

Figure 3.2: Experience vivid colors and smoother color gradation with DCI-P3 95% and sRGB 125% coverage.

3.5 ROG Gaming A.I. Features

The monitor includes AI-powered features designed to enhance your gaming experience:

Comparison images showing Dynamic Crosshair and Dynamic Shadow Boost features

Figure 3.3: Visual representation of AI-powered Dynamic Crosshair and Dynamic Shadow Boost in action.

4. Maintenance

4.1 Cleaning the Monitor

To maintain optimal display quality and extend the life of your monitor, follow these cleaning guidelines:

4.2 Proper Handling and Storage

5. Troubleshooting

This section addresses common issues you might encounter with your monitor. If the problem persists after attempting these solutions, please contact ASUS support.

ProblemPossible Solution
No image on screen
  • Ensure the power cord is securely connected and the monitor is powered on.
  • Verify the video cable (DisplayPort, HDMI, USB-C) is correctly connected to both the monitor and your computer.
  • Check if the correct input source is selected in the OSD menu.
  • Test with a different video cable or another device if possible.
Image is blurry or distorted
  • Ensure the display resolution and refresh rate are set correctly in your computer's display settings.
  • Adjust the monitor's OSD settings, such as sharpness or aspect ratio.
  • Check for any physical damage to the video cable.
Screen flickering
  • Verify the refresh rate is set appropriately for your system.
  • Disable or enable G-SYNC/ELMB SYNC to see if it resolves the issue.
  • Ensure all cables are securely connected and not damaged.
G-SYNC not working
  • Ensure you are using a DisplayPort connection.
  • Verify G-SYNC is enabled in the NVIDIA Control Panel.
  • Update your graphics card drivers to the latest version.
Colors appear incorrect
  • Reset color settings to factory defaults via the OSD menu or DisplayWidget Center.
  • Adjust color temperature, saturation, and hue settings.
  • Ensure HDR is enabled or disabled as desired in both the monitor OSD and your operating system.

6. Technical Specifications

Below are the key technical specifications for the ASUS ROG Strix XG27ACMG monitor:

FeatureSpecification
Screen Size27 Inches
Screen Resolution2560 x 1440 Pixels (QHD Wide 1440p)
Max Refresh Rate270Hz (Overclocked)
Response Time1ms (GTG)
Panel TypeFast IPS
HDR SupportYes
G-SYNC CompatibilityYes
Color Gamut95% DCI-P3
ConnectivityDisplayPort 1.4, HDMI, USB Type-C (with DP Alt mode)
ErgonomicsTilt, Swivel, Pivot, Height Adjustment
Dimensions (LxWxH)8.6 x 24.2 x 20.1 inches
Weight14.3 pounds

7. Warranty and Support

7.1 Product Warranty

The ASUS ROG Strix XG27ACMG monitor comes with a 3-year limited warranty. This warranty covers defects in materials and workmanship under normal use. Please refer to the included Warranty Card for detailed terms and conditions, including coverage specifics and exclusions.

7.2 Customer Support

For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact ASUS customer support. You can find contact information and additional resources on the official ASUS website:

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