Eathtek Replacement Keyboard for HP Pavilion G4 G6 G4-1000 Series Black US Layout, Compatible with part# 636191-001 640892-001 633183-001 Compatible Model Numbers: HP Pavilion G4 G6 G4-1000 Compatible Part Numbers: 636191-001 640892-001 633183-001 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.