| You must verify following information in checkout note to enable order processing.
1.Dim screen , dark screen, no light , black screen , lighting on and off is mostly inverter related issues buying screen might not resolve it. The order is not processed unless requested information has been received.
2.Make sure your existing inverter is not faulty before purchasing screen.
3. Picture on external monitor only proves you have good video card. It has nothing to do with screen or inverter. You can still have faulty inverter.