Troubleshooting Guide, Testing the Product

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.

Power off both the PC and product.

Disconnect the cables from the product.

Power on the product.

If the message Check Signal Cable 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 following.

Installation issue (PC mode)

Issues	Solutions

The screen keeps switching on and off.	Check the cable connection between the product
	and PC, and ensure the connectors are locked.
	(Refer to "2.2 Connecting and Using a PC")

9 Troubleshooting Guide 76

LS27D590CS/ZN, LS27D590CS/EN, LS27D590CS/CI, LS27D590CS/CH, LS27D590CS/XV specifications

The Samsung LS27D590CS/EN is a remarkable 27-inch monitor that combines stylish design with advanced technology to deliver exceptional performance for both work and entertainment. With its sleek and modern aesthetics, this monitor is perfect for any desktop setup, seamlessly blending with your environment while offering functionality.

One of the standout features of the LS27D590CS/EN is its impressive Full HD resolution of 1920 x 1080 pixels. This ensures that images are sharp, detailed, and vibrant, making it ideal for activities such as gaming, graphic design, and watching videos. The monitor utilizes Samsung's PLS (Plane to Line Switching) panel technology, which not only enhances color accuracy but also provides wide viewing angles of up to 178 degrees. This means that colors remain consistent and true to life regardless of where you are positioned in relation to the screen.

The LS27D590CS/EN boasts a brightness level of 250 cd/m² and a static contrast ratio of 1000:1, which contributes to deeper blacks and more vivid colors. This combination enhances the overall viewing experience, particularly in darker scenes or when working in dimly lit environments. Additionally, it features a rapid response time of 5ms, minimizing ghosting and motion blur during fast-paced action, making it suitable for gamers and multimedia enthusiasts.

Connectivity is another strong suit of the LS27D590CS/EN. It includes multiple input options such as HDMI and DisplayPort, allowing for versatile connectivity with various devices, including PCs, laptops, and game consoles. The monitor's ergonomic design features a tilt function that lets users adjust the screen angle for optimal viewing comfort.

The Samsung LS27D590CS/EN also comes with Eye Saver Mode, which reduces blue light emissions to help decrease eye strain during extended use. Coupled with Flicker-Free technology, this monitor makes it easier on the eyes, promoting longer periods of comfortable viewing.

In summary, the Samsung LS27D590CS/EN is a high-quality monitor that combines aesthetics, advanced technologies, and user-friendly features. Its Full HD resolution, PLS panel, and ergonomic design make it an excellent choice for professionals and casual users alike, ensuring a visually captivating experience across a range of applications. Whether for productivity or leisure, this monitor stands out as a reliable and stylish option.