upgade disc needs cd dvd drivers

ive been trying to install w7 upgrade w/ a disc i bought and downloaded from microsoft.for one thing it takes forever to get to the install screen then after the agreement screen i get an error that says i need to install drivers for cd dvd drive .the drive is a hp dvd 1140i it came w/ a nero disc that supposedly also has the drivers on it .i never had to use it before remember not liking the nero program but i installed it anyway still the samething .tried uninstalling drive samething tried to find drivers at the hp site coulnt find anyhelp there.in the nero disc i couldnt find any place where the drivers are only has setup and stuff to read no drivers folder . what are my options ? 7100 worked and so did rtm

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