Cool-See New AC DC Power Jack Harness Plug Cable For Dell Inspiron 15(3520) Inspiron M5040 N5040 N5050 Vostro 1540 2520 P/N:50.4IP05.001 Please check both the model and picture before placing order. New Laptop Power DC JACK with Cable P/N:50.4IP05.001 dc power jack including cable which has 7 wires, 3 red, 1 blue, 3 black