Compatible models: HP 2133 Mini Laptop HP 2533t Mobile Thin Client HP Compaq 2230s Notebook HP Compaq 2510p Notebook HP Compaq 2710p Notebook HP Compaq 6510b Notebook HP Compaq 6515b Notebook HP Compaq 6530b Notebook HP Compaq 6535b Notebook HP Compaq 6710b Notebook HP Compaq 6715b Notebook HP Compaq 6720s Notebook HP Compaq 6720t Mobile Thin Client HP Compaq 6730b Notebook HP Compaq 6730s Laptop HP Compaq 6735b Notebook HP Compaq 6735s Notebook HP Compaq 6820s Laptop HP Compaq 6830s Laptop HP Compaq 6910p Notebook HP Compaq 8510p Notebook HP Compaq 8510w Mobile Workstation HP Compaq 8710p Notebook HP Compaq 8710w Mobile Workstation HP Compaq nc2400 Notebook HP Compaq nc4400 Notebook HP Compaq nc6120 Notebook HP Compaq nc6320 Notebook HP Compaq nc6400 Notebook HP Compaq nc8430 Notebook HP Compaq nw8440 Mobile Workstation HP Compaq nw9440 Mobile Workstation HP Compaq nx6115 Notebook HP Compaq nx6325 Notebook HP Compaq nx7300 Notebook HP Compaq nx7400 Notebook HP EliteBook 6930p Notebook HP EliteBook 8730w Mobile Workstation HP Pavilion: DV4, DV5, DV6, DV7 HP G4,G6,G50,G60,G61,G62,G70,G71,G72 Compaq Presario: CQ40,CQ42,CQ45,CQ50,CQ60,CQ61,CQ62,CQ70, CQ71,CQ72 Series Compaq 515 Compaq 610