DV4 DV5 DV6 is different with DV4000 DV5000 DV6000!They are two different series! HP Pavilion: dv4, dv5, dv6,dv7. Compaq Presario CQ50 Series. CQ50-104NR, CQ50-116AU, CQ50-110EM, CQ50-115AU, CQ50-106EF, CQ50-139NR, CQ50-103ER, CQ50-109AU, CQ50-105EW, CQ50-128NR, CQ50-112AU, CQ50-215NR, CQ50-101LA, CQ50-107NR, CQ50-105AU, CQ50-116EE, CQ50-110EO, CQ50-115NR, CQ50-100CA, CQ50-107AU, CQ50-139WM, CQ50-103EZ, CQ50-109CA, CQ50-105EZ, CQ50-130EC, CQ50-112EO, CQ50-217CL, CQ50-101XX, CQ50-.
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