Chapter. 12

Troubleshooting Guide

Requirements Before Contacting Samsung Customer Service Center

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

Checking the Resolution and Frequency

For a mode that exceeds the supported resolution (refer to “Preset Timing Modes”), the message "Not Optimum Mode" will appear repeatedly.

Check the following.

Testing the Product

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.Power off both the PC and product.

2.Disconnect the cables from the product.

3.Power on the product.

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

NOTE

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

Installation issue (PC mode)

Troubleshooting

Solutions

 

 

The screen keeps

Check that the cables are properly connected between the

switching on and off.

product and PC and that the connectors are firmly locked.

Screen issue

 

 

 

Troubleshooting

Solutions

 

 

The power LED is off.

Make sure that the power cable is connected.

The screen will not

 

switch on.

 

The message "Check

Check that the cable is properly connected to the product.

Signal Cable" appears.

Check that the device connected to the product is powered on.

 

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Samsung LS27B970DS/NG manual Checking the Resolution and Frequency, Check the following Testing the Product, Screen issue

LS27B970DS/XV, LS27B970DS/XY, LS27B970DS/NG, LS27B971DS/EN, LS27B970DS/CI specifications

The Samsung LS27B970DS/EN is a premium 27-inch monitor that caters to the needs of creatives, professionals, and gaming enthusiasts, bringing a host of advanced features and technologies designed to enhance productivity and provide an immersive visual experience.

At the heart of the LS27B970DS/EN is its stunning 4K UHD resolution, boasting a crisp pixel density that ensures sharp and detailed imagery. This high resolution is complemented by Samsung's Quantum Dot technology which delivers a broader color spectrum and vibrant visuals, providing exceptional color accuracy and making it ideal for graphic design, photo editing, and video production. The monitor covers 99% of the Adobe RGB color space, ensuring that professionals can work with confidence that their designs are true to life.

Another notable feature is the display's HDR10 compatibility, allowing users to experience a wider dynamic range of brightness and contrast. This feature significantly enhances the viewing experience, making images appear more realistic with deeper blacks and brighter highlights. Furthermore, the LS27B970DS/EN incorporates a peak brightness of up to 600 nits, making it suitable for various lighting environments.

To optimize the ergonomics, the monitor comes with a versatile stand that supports height, tilt, swivel, and pivot adjustments. This flexibility allows users to find the perfect viewing angle, promoting a comfortable working environment for extended sessions. For added convenience, the LS27B970DS/EN features built-in KVM switch capabilities, enabling users to control multiple devices seamlessly with a single keyboard and mouse, which is perfect for multitasking between workstation and laptop.

Performance-wise, the monitor offers a rapid 240Hz refresh rate alongside a 1ms response time, making it a formidable option for gamers. The low input lag ensures a smooth and responsive gaming experience, which is crucial for fast-paced titles. In addition, AMD FreeSync support reduces screen tearing, further enhancing gameplay fluidity.

Connectivity is another strong point for this model. It includes multiple ports such as HDMI, DisplayPort, USB-C, and USB 3.0, providing ample options for connecting various devices. The USB-C port also supports power delivery, allowing users to charge their laptops while providing a data connection.

In summary, the Samsung LS27B970DS/EN combines cutting-edge technologies with practical features, catering to both professional and recreational use. Its remarkable visual performance, ergonomic design, and versatile connectivity options make it an standout choice in the high-end monitor market.