Chapter 6. Troubleshooting
73
Troubleshooting
Before you contact us
Before calling Samsung Customer Service Centre, test your product as follows. If the problem persists, contact Samsung Customer Service Centre.
Diagnosis
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.
1Power off both the PC and product.
2Disconnect all the cables from the product.
3Power on the product.
4If No Cable Connected is displayed, the product is operating normally.
If the screen remains blank, check the PC system, video controller and cable.
Screen Resolution
Not Optimum Mode will briefly be displayed if a mode that exceeds a supported resolution is selected (refer to Supported Resolutions).