my philips dvd rom drive isnt showing up on my computer and this is what it says on device manager: Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39) i need to get this sorted out asap as my windows vista is saying my copy isnt genuine when it is! ive contacted microsoft and they said i need to perform a new clean install but i cant do that until this dvd drive works! someone help me! thanks in advance