i just bought the Dynex DVD-ROM Drive. i followed the directions (which where not detailed at all) and it told me too restart my computer. so i did. i went too my computer and i didnt have a D: or E: drive. they where just missing. i went too add new hardware and it didnt find anything. i went too windows update and it didnt find anything.... did i mess some cords up or what...? please help. the model number is DX-DVDR100