Samsung SBB-MBOX User Manual

Also see for SBB-MBOX: Simple User Guide

58Troubleshooting GuideRequirements Before Contacting Samsung Customer Service CenterTesting the ProductCheck if your product is operating normally by using the product test function.If the screen remains blank while the power indicator 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.If the screen remains blank, check the PC system, video controller and cable.Checking the Resolution and FrequencyFor modes that exceed the supported resolutions, the message "Not Optimum Mode" appears briefly.Set the PC resolution by referring to Preset Timing Modes." Before calling Samsung CustomerService Center, test your productas follows. If the problem persists,contact Samsung Customer ServiceCenter.Chapter 10