guys i have recently bought ctk 6300in. but as soon as i tried connecting it to my computer it said that "usb device is not recognised" and then it would automatically get disconnected.i later on found out that i need the casio ctk 6300in usb midi drivers for my pc. i searched for it through out the google but i didnt get it, not even on the casio's official site.Can you guys please help me out??