J6 User Manualwww.novastar.tech 228 TroubleshootingProblem SolutionLED screendoesn’t light up.Make sure the power is properly connected and switched on,and the LED screen is connected properly and works normally.DVI has no outputimage.Make sure the input channel has input image and the image isdisplayed correctly.Make sure the output settings are correct.Make sure the output settings are correct and whether thewindow is removed from the LED screen.Make sure DVI output is properly connected.If a preview monitor is connected, make sure the monitorsupports the output resolution of the processor.Reset the processor and try the operations again, then checkwhether there is image output.DVI output imageis abnormal.Check output settings and make sure parameters are properlyset.Check the status bar of the home screen on the LCD panel andmake sure other enabled functions don’t affect outputparameters.Make sure DVI interface is properly connected to DVI cable.Pictures aredisplayedabnormally.Check the input channels of each screen to make sure thesechannels have input signals and the signals are displayednormally.Make sure the parameters of each screen are set correctly.The fade isabnormal.Make sure the channel to be accessed has input signal.Make sure output settings are correct.Make sure the input source before switching and the source afterswitching belong to same signal group.Abnormal display Make sure the processor is properly connected.