Samsung VM55B-U 55" Video Wall Display - Manual (Page 63)

63
Troubleshooting Guide
Requirements Before Contacting Samsung Customer Service Center
– Follow the instruction on the right to
test your product before requesting
for service. If the problem persists,
contact Samsung Customer Service
Center.
Testing the Product
Check if your product is operating normally by using the product test function.
If the product is properly connected to the PC and the screen remains turned off, run the product’s self-diagnostics.
1
Power off both the PC and product.
2
Disconnect all the cables from the product.
3
Power on the product.
4
If No Cable Connected 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).
– If the screen remains blank, check
the PC system, video controller and
cable.
Chapter 11