1.Power Supply is NOT included 2.If you dont know how to connect the Screen,please feel free to us. (30pin connector Pin6 NC is correct.Not missing a pin.It is used for factory test) 【LCD Driver Board】 Work for 1280x1024 30Pin 5V LVDs LCD display,video input: HDMI VGA DVI ,Audio output: speaker connector ( 8ohm 2W 4Pin PH2.0 connection),Pls use in insulated environment. 【Compatible Screen models 】17" LTM170EU LTM170EH LTM170E5 LTM170E6 HSD170ME13 M170EG01 M170EG02 M170EN01 M170EN04 M170EN05 M170EN06 LM170E03 , 19" LM190E02 LM190E03 LM190E08 G190EG01 M190EG02 M190EN01 HSD190ME11 HSD190ME12 HSD190ME13 LTM190EX 【Plug and play】with compatible screen , Connecting the cables and ports as link pictures, Power on ,enter into HD-MI/VGA/DVI signal,the screen can be lit. 【Input power supply】12V DC more than 3A ,Port size :5.5x2.1mm, pls prepare power adapter by yourself. 【Board failure self-check】: Directly power on board ,The LED light green/red means board can work normally ;Then connect screen signal port, No enter signal ,the"no siganl" words showing on screen means the problem comes from signal ,Pls try with other signal cable /resource; White/Black screen ,Check screen signal port connecting/resolution/5V jumper pin/Signal resource.