CHNASAWE Laptop replacement Backlit keyboard with frame compatible with Dell Inspiron 15 5547 PK1313G1B09, 051CHY 490.00H07.0A01, NSK-LR0BW 01 490.00H07.0A1D, NSK-LR0BW 1D, US layout black color Attention: If your original/old keyboard does not have the backlit, this keyboard backlit will not work. Unless you confirm your laptop motherboard support the backlit.