Windows 7 - No device driver found

I have pre installed windows 7 64 bit...but i have boot it with windows xp 32 bit...but aftre some days when i m trying to reboot with win 7 or vista then after creating the partition when i am trying to load the driver in c the the dialogue box come which states "to install the device driver needed to acess your hard drive insert the installation media containing the driver files and then clcik o"k......in the booting options ther r three 1st booting device 2nd booting device and 3 rd booting device.....i have opted fr dvd rom fr the fst one sata fr the ssecnd and removable device fr the third....what to do?plz help

Insert your windows disk or failing that, insert your motherboard driver disk.