Eathtek Replacement Keyboard with Backlit and BIG Enter for Dell E6400 E6500 E5400 E5500 Precision M2400 M4400 series Black US Layout, Compatible with part number HT514 UK717 NSK-DB001 Compatible Model Numbers: Dell E6400 E6500 E5400 E5500 Precision M2400 M4400 Compatible Part Numbers: HT514 UK717 NSK-DB001 Replacement and high quality,Replace your faulty, cracked or broken keyboard Each keyboard is tested before shipping All pictures are taken from the real item, please check carefully before bidding.