8
Troubleshooting Guide
8.1
Requirements Before Contacting Samsung Customer
Service centre
8.1.1 Testing the Product
Before calling Samsung Customer Service Centre, test your product as follows. If the problem persists,
contact Samsung Customer Service Centre.
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
If the screen remains blank, check the PC system, video controller and cable.
8.1.2 Checking the Resolution and Frequency
Not Optimum Mode
(refer to Supported Resolutions).
is displayed, the product is operating normally.
will briefly be displayed if a mode that exceeds a supported resolution is selected
8 Troubleshooting Guide
107