ACOMPATIBLE Replacement Keyboard for Dell Inspiron 15-3521 15-3537 15R-5521 15R-5528 15R-5537 M531R Vostro 2521 Laptop Please firstly compare the picture with your keyboard before you place an order. 100% replacement and high quality. Each keyboard is tested before shipping and are 100% working Replace your faulty, cracked or broken keyboard Color: Black Layout: US Layout