LotFancy New Black Backlit keyboard For Dell Alienware M15x, fit part numbers AEMX3U00020 MX3 9J.N5982.X01 Laptop / Notebook US Layout (Note: Many kinds of this keyboard, this one have 5 Screws on the back of the keyboard. thanks.) LotFancy Laptop Keyboard 1 year Warranty Color: Black , Layout: US / English Type: Internal Laptop Keyboard Package Include: ribbon cable comes with keyboard