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Troubleshooting Guide
Requirements Before Contacting Samsung Customer Service Centre
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.
1
Power off both the PC and product.
2
Disconnect all the cables from the product.
3
Power on the product.
4
If No Signal is displayed, the product is operating normally.
Checking the Resolution and Frequency
Not Optimum Mode will briefly be displayed if a mode that exceeds a supported resolution is selected
(refer to Supported Resolutions).
Chapter 13
– Before calling Samsung Customer
Service Centre, test your product
as follows. If the problem persists,
contact Samsung Customer Service
Centre.
– If the screen remains blank, check
the PC system, video controller and
cable.
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