Eathtek Replacement Keyboard with Frame for HP ProBook 4540s 4545s series Black US Layout, Compatible with part# 639396-701 701548-151 NSK-CC1SW Compatible Model Numbers: HP ProBook 4540s 4545s Compatible Part Numbers: 639396-701 701548-151 NSK-CC1SW 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.