Please install it Very Professionally, if Not, Please Do Not Try. (You need to Pull Off the Power Adapter & Battery Cable when install) Compatible Model: for Dell Inspiron 15 3520 3525 lcd replacement screen assembly display panel Size: 15.6 inches Warranty: 3 months LCD Connector: EDP 40Pins Backlight: LED LCD Resolution: 1920x1080 Please keep your original parts. Professional installing skill required.