Toshiba Satellite L645d-s4040 Replacement LAPTOP LCD Screen 14.0" WXGA HD LED DIODE (Substitute Only. Not a )

it is very important to know the backlight type of your display because different backlighting technologies are mostly not interchangeable if your laptop came with a certain type of a backlight the replacement LCD will have to match that specific backlight type cold cathode fluorescent light which is similar to typical office tube lights was the primary backlighting technology used on color laptop displays and some laptops as late as 2011 were shipped with these types of screens see CFL backlit screens usually have two extra wires white and pink sometimes white and blue which come out at the bottom of the screen and hook up to another circuit called an inverter inverter is responsible for providing high voltage power to the CCF o backlight light-emitting diodes more commonly known as LEDs have replaced the aging and inefficiency CFL technology most LED screens power the backlight throug