Requirements Before Contacting Samsung Customer Service Center
STEP1. Testing the Product
Check if your product is operating normally by using the product test function.
If the screen remains blank while the power LED blinks even when the product is correctly connected to a PC, perform product testing.
Power off both the PC and product.
Disconnect all the cables from the product.
Power on the product.
IfNo Signal is displayed, the product is operating normally.
STEP6. Checking the Resolution and Frequency
Not Optimum Modewill briefly be displayed if a mode that exceeds a supported resolution is selected
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