1. Introduction
This manual provides essential information for the safe and efficient use of your Acer EK241Y GBMIX monitor. Please read it thoroughly before operating the device and retain it for future reference.
The Acer EK241Y GBMIX is a 23.8-inch Full HD (1920x1080) IPS monitor featuring a 120Hz refresh rate, 1ms Visual Response Boost (VRB), and AMD FreeSync technology. It is designed to deliver clear visuals and smooth performance for various applications.
2. Safety Information
- Always disconnect the power cord from the electrical outlet before cleaning the monitor.
- Do not expose the monitor to rain or moisture.
- Do not open the monitor casing. High voltage components inside can cause electric shock.
- Place the monitor on a stable, flat surface to prevent it from falling.
- Ensure proper ventilation around the monitor. Do not block ventilation openings.
- Use only the power adapter and cables supplied with the monitor.
3. Package Contents
Verify that all items are present in the package:
- Acer EK241Y GBMIX Monitor
- Monitor Stand (Base and Neck)
- Power Cord
- HDMI Cable
- VGA Cable (may vary by region)
- Quick Start Guide
- Warranty Card
4. Setup
4.1 Assembling the Monitor Stand
- Carefully remove the monitor from its packaging and place it face down on a soft, clean surface to prevent scratches.
- Attach the stand neck to the back of the monitor until it clicks into place or is secured with screws (refer to the quick start guide for specific model instructions).
- Attach the stand base to the neck and tighten the captive screw from the bottom of the base.

Image: Monitor stand components and assembly. The image shows the monitor screen, the stand neck, and the rectangular base, indicating how they connect.
4.2 Connecting the Monitor
- Ensure both the monitor and your computer are powered off.
- Connect one end of the HDMI or VGA cable to the corresponding port on your computer's graphics card.
- Connect the other end of the cable to the HDMI or VGA input port on the back of the monitor.
- Connect the power cord to the monitor's power input, then plug the other end into a grounded electrical outlet.
- (Optional) If your monitor has an audio input/output, connect audio cables as needed.

Image: Rear view of the monitor displaying the various input ports, including HDMI, VGA, and power input.
4.3 Initial Power On
- Power on your computer.
- Press the power button on the monitor. The power indicator light should illuminate.
- The monitor should automatically detect the input signal. If not, use the OSD (On-Screen Display) menu to select the correct input source.
5. Operating the Monitor
5.1 On-Screen Display (OSD) Menu
The OSD menu allows you to adjust various monitor settings. Access it using the buttons located on the bottom right or rear of the monitor.
- Power Button: Turns the monitor on or off.
- Menu Button: Opens the OSD menu.
- Navigation Buttons: Used to navigate through menu options and adjust values.
- Input Select Button: Quickly switches between input sources (HDMI, VGA).

Image: Close-up view of the monitor's control buttons, typically located on the bottom right bezel or rear, used for OSD navigation.
5.2 OSD Menu Options
Common OSD menu categories include:
- Picture: Brightness, Contrast, Color Temperature, Gamma, BlueLightShield.
- Color: Adjust color modes (Standard, Graphics, Movie, User).
- Audio: Volume control for built-in speakers or audio output.
- Gaming: Overdrive, FreeSync, VRB (Visual Response Boost).
- OSD: OSD timeout, language.
- Management: Input selection, Auto Source, Reset.
5.3 AMD FreeSync
This monitor supports AMD FreeSync technology, which synchronizes the monitor's refresh rate with your AMD graphics card's frame rate. This helps eliminate screen tearing and stuttering for a smoother visual experience. Ensure FreeSync is enabled in both the monitor's OSD menu and your AMD Radeon Software settings.
5.4 Acer VisionCare Technologies
The monitor incorporates Acer VisionCare features designed to reduce eye strain:
- BlueLightShield: Reduces blue light emission to minimize potential eye fatigue. Can be adjusted via the OSD menu.
- Flickerless: Eliminates screen flickering for a more comfortable viewing experience.
6. Maintenance
6.1 Cleaning the Monitor
- Always power off the monitor and unplug the power cord 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, or any volatile solvents, as they may damage the monitor.
6.2 Storage
If storing the monitor for an extended period, disconnect all cables and store it in its original packaging in a cool, dry place away from direct sunlight and extreme temperatures.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No image on screen | Power cable disconnected; Video cable disconnected; Incorrect input source selected. | Check power and video cable connections; Ensure monitor and computer are on; Select correct input source via OSD. |
| Image is blurry or distorted | Incorrect resolution; Loose video cable; Graphics driver issue. | Set display resolution to 1920x1080; Reconnect video cable; Update graphics drivers. |
| No sound from speakers | Volume too low; Audio cable disconnected; Incorrect audio output selected on computer. | Increase monitor volume via OSD; Check audio cable connection; Select monitor as default audio output in OS settings. |
| Screen flickering | Refresh rate mismatch; Faulty cable; Graphics card issue. | Ensure refresh rate is set to 120Hz; Try a different video cable; Update graphics drivers. |
If the problem persists after trying these solutions, please contact Acer customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | EK241Y GBMIX |
| Screen Size | 23.8 Inches |
| Panel Type | IPS |
| Resolution | 1920 x 1080 (Full HD) |
| Aspect Ratio | 16:9 |
| Refresh Rate | 120 Hz |
| Response Time | 1ms (VRB) |
| Video Inputs | 1x HDMI (1.4), 1x VGA |
| Audio | Speakers, Audio In, Audio Out |
| Dimensions (with stand) | 19.2 x 53.88 x 41.1 cm |
| Weight (with stand) | 0.5 kg (500 g) |
| Special Features | AMD FreeSync, ZeroFrame Design, IPS, Acer VisionCare (BlueLightShield, Flickerless) |
9. Warranty Information
Your Acer EK241Y GBMIX monitor is covered by a manufacturer's warranty. The specific terms and duration of the warranty may vary by region and retailer. Please refer to the warranty card included in your product package or visit the official Acer website for detailed warranty information.
Retain your proof of purchase for warranty claims.
10. Customer Support
For technical assistance, troubleshooting beyond this manual, or service inquiries, please contact Acer customer support.
- Acer Support Website: www.acer.com/support
- Refer to your warranty card or regional Acer website for local contact numbers and service centers.