Pay Attention: If some keys will don't work after installed ,this is not because keyboard is broken ,the most posiibility is ribbon cable don't connect well with your laptop ,pls try to reconnect more times .Many customers solve this problem after did this. We tested every keyboard before shipping ,please be assured the purchase. thanks *Backlit :yes *Color : Black *Layout : US keyboard layout *Status : Brand new Compatible Models: for Dell Latutude E6400 E6410 E6500 E6510 E5410 E5510 E5400 E5500 Precision M2400 M4400 M4500 989J7 NSK-DB303 NSK-DB10U 0HT517 507 0UK717 0FU956

?Note?Please cheak whether this keyboard fits your laptop or not easily before bidding. ?Safe?Easy for you replace your faulty, cracked or broken keyboard, seller remind that you should replace the keyboard in the off state. ?You Can Get?Keyboard x 1. Original replacement US layout. ?Compatible part numbers?989J7 NSK-DB303 NSK-DB10U 0HT517 507 0UK717 0FU956. ?Compatible Model?For Dell Latutude E6400 E6410 E6500 E6510 E5410 E5510 E5400 E5500 Precision M2400 M4400 M4500.