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)

The screen keeps switching on and off.

Check the cable connection between the product and PC, and ensure the connectors are locked. (Refer to "2.3 Connecting and Using a PC")

Screen issue

The screen cannot be switched on.

Check that the power cable is connected properly. Check that the power button is switched on properly. (Refer to "2.3 Connecting and Using a PC")

9 Troubleshooting Guide 78

LS24C570HL/KZ, LS27C750PSA/CI, LS27C750PS/UE, LS27C750PS/EN, LS27C750PSX/KZ specifications

The Samsung LS27C750PS/ZR, LS24C750PS/ZR, and LS27C750PS/UE are innovative monitors that cater to a wide range of users, from professionals seeking precision to everyday consumers looking for an immersive viewing experience. These models are part of Samsung's advanced monitor lineup, designed to deliver exceptional performance and stunning visuals.

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In conclusion, the Samsung LS27C750PS/ZR, LS24C750PS/ZR, and LS27C750PS/UE monitors combine advanced display technology, ergonomic design, and robust connectivity options to create an exceptional user experience. Whether for professional or personal use, these monitors deliver the quality and performance that users expect from Samsung.