HP Keyboard 745421-001 is compatible in the following HP Models:
HP Pavilion 10 Notebook PC Series
HP PAVILION 10 TOUCHSMART 10Z-E000 CTO NOTEBOOK PC (ENERGY STAR) – E8Y65AAR
HP PAVILION 10 TOUCHSMART 10Z-E000 CTO NOTEBOOK PC (ENERGY STAR) – E8Y65AV
HP PAVILION 10 TOUCHSMART 10Z-E000 CTO NOTEBOOK PC (ENERGY STAR) – F1V45AAR
HP PAVILION 10 TOUCHSMART 10Z-E000 CTO NOTEBOOK PC (ENERGY STAR) – F1V45AV