HELP! Driver Download for DVD drive!

Hello all,
subscribers or just people who found my blogspot...
i need a driver download for my DVD drive because it is missing or corrupt
the DVD drive is HL-DT-ST DVD-RAM GH10L
computer: HP pavilion m9450f
8 gigs or ram
intel core 2 quad Q9300 @ 2.50 GHz
Lightscibe DVD SuperMulti Drive/CD Burner
Nvidia Geforce 9800 GT
OS: Windows Vista Home Premium 64 bit edition

if you guys need anymore info just comment...

help

P.S.
i tried the uninstallation trick and it didn't work it says that the driver has failed to install....