i have a 2nd generation ipod nano that i gave to my little brother he by accidentally put a combination on the screen that he doesn't know. plus whenever i plug my nano into the computer it says "usb device not recognized" i tried restarting my computer, uninstalling and installing itunes, resetting my ipod and it still comes up to the combination screen, please someone help me how can i fix this but letting the computer recognize it?

plus im using a 3rd generation ipod nanos usb cord for this ipod.

you need to downlode the software.