Samsung DBJ User Manual

Also see for DB43J: Quick setup guide User manual User manual User manual User manual

128Troubleshooting Guide– Before calling Samsung CustomerService Centre, test your productas follows. If the problem persists,contact Samsung Customer ServiceCentre.Requirements Before Contacting Samsung Customer Service CentreTesting the ProductCheck 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 FrequencyNot 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, checkthe PC system, video controller andcable.Chapter 12