Products trademarked Superb Choice are registered and marketed by Superb Choice. Replacement For HP WD549AA Fit Machine Models:HP Envy 17 17t SERIES G42 G42t G56 G62 G62t G72 Series Pavilion dm4-1000 dm4-1100 dm4-1200 dm4-1300 dm4-2000 dm4t dv3-2200 dv3-4000 dv3-4100 dv3-4200 dv4-4000 dv4-4100 dv5-2000 dv6-3000 dv6-3100 dv6-3300 dv6-4000 dv6-6000 dv6-6100 dv7-4000 dv7-4100 dv7-5000 dv7-6000 dv7-6100 dv7t g4 g4t g6 g7 Series COMPAQ Presario CQ42 CQ43 CQ56 CQ62 CQ62z Series