9Troubleshooting Guide

9.1Requirements Before Contacting Samsung Customer Service Center

9.1.1 Testing the Product

Before calling Samsung Customer Service Center, test your product as follows. If the problem persists,

contact Samsung Customer Service Center.

Check if your product is operating normally by using the product test function.

If the screen is turned off and the power indicator blinks even though the product is properly connected to a PC, perform a self-diagnosis test.

1

2

3

4

Power off both the PC and product.

Disconnect the cable from the product.

Power on the product.

If the Check Signal Cable message appears, the product is working normally.

If the screen remains blank, check the PC system, video controller and cable.

9.1.2 Checking the Resolution and Frequency

For a mode that exceeds the supported resolution (refer to "10.3 Standard Signal Mode Table"), the message Not Optimum Mode. will appear for a short time.

9.1.3 Check the followings.

Installation issue (PC mode)

The screen keeps switching on and off.

Check the cable connection between the product

 

and PC, and ensure the connection is secure.

 

(Refer to "3.2 Connecting and Using a PC")

 

 

 

 

Screen issue

 

 

The power LED is off. The screen will not switch

Check that the power cable is connected

on.

correctly (Refer to "3.2 Connecting and Using a

 

PC")

 

 

The message Check Signal Cable appears.

Check that the cable is properly connected to the

 

product. (Refer to "3.2 Connecting and Using a

 

PC")

 

 

 

Check that the device connected to the product is

 

powered on.

 

 

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Samsung LC27A750XS/ZA, LC23A750XS/ZN Troubleshooting Guide, Testing the Product, Checking the Resolution and Frequency

LC27A750XS/XV, LC27A750XS/ZA, LC23A750XS/ZN, LC23A750XS/NG specifications

The Samsung LC23A750XS and LC27A750XS series monitors represent a notable step forward in display technology for both professionals and gamers. With models such as LC23A750XS/NG, LC23A750XS/ZN, LC27A750XS/ZA, and LC27A750XS/XV, Samsung delivers a blend of performance, design, and usability that appeals to a wide audience.

One of the standout features of these monitors is their high-resolution display. The LC23A750XS series boasts a QHD resolution of 2560 x 1440 pixels, providing an ultra-sharp image quality that enhances productivity and gaming experiences alike. The high pixel density reveals intricate details that are perfect for graphic design, video editing, and gaming, making these displays ideal for professionals who require precision.

The monitors utilize Quantum Dot technology, which allows for a wider color spectrum and better color accuracy. This ensures that the colors are vibrant and true-to-life, which is essential for tasks requiring meticulous color fidelity. The HDR (High Dynamic Range) support further enhances the visual experience by improving contrast and brightness, delivering deeper blacks and brighter whites.

Another key feature is the ultra-slim design. The LC23A750XS and LC27A750XS models sport a sleek aesthetic that can complement modern workspaces or gaming setups. The virtually bezel-less display maximizes the viewing area, allowing for immersive multi-monitor setups where the transition between screens is seamless.

Further enhancing the user experience is the adaptive sync technology, which reduces screen tearing and input lag, providing a smooth gaming experience, particularly during fast-paced action scenes. This is crucial for competitive gamers who rely on precise timing and visual clarity to gain an edge.

The ergonomic design of these monitors, which includes height, tilt, and pivot adjustments, enables users to create a comfortable viewing environment, reducing eye strain during prolonged use. Additionally, they come equipped with a variety of connectivity options, including USB-C, HDMI, and DisplayPort, making it easy to connect multiple devices.

In summary, the Samsung LC23A750XS/NG, LC23A750XS/ZN, LC27A750XS/ZA, and LC27A750XS/XV monitors encapsulate cutting-edge technology with their high resolution, vibrant color accuracy, and ergonomic design. Whether for professional use or gaming, they offer a comprehensive solution to meet a diverse range of user needs.