HP NW9440 NX9420 Power Button Board LS-2712P 409957-001   This is the original power button board that came with HP NW9440 laptop.   Works great!       COMES WITH 14 DAYS WARRANTY     If for some reason you are not satisfied with received item, e-mail us through eBay message system. Don't leave negative feedback, money back guaranteed! We value your time and business.