Asus X551ca Replacement LAPTOP LCD Screen 15.6" WXGA HD LED DIODE (Substitute Only. Not a ) (N156BGE-L21)

hello hello guys uh here we have an asus i did work on it yesterday sorry i can show you that information anyway uh there's no back lights when you connect the screen there's no back lights so the owner what he did he marked a place that was spent the 19 volts was spent here let me just remove this okay hold on okay uh let's do it let's finish it first uh what about that i was connected using a wi-fi so i have to switch to a cable this is a place where the 19 volts code spans this 19 volts is called straight here on the 19 volts of a what you call this lvds cable let me show you under the microscope that you will understand the whole thing you see the screen the laptop stream it works with the 19 volts and there's a back uh inverter there let's check the 19 volts and then convert it into a higher voltage something like 1960 as you can see uh there we have a benchmark i'm not sure if you