so i always plug my ipod usb cord in the front & it always uploads my songs and everything & its been about a week now and every time i put in the USB cord it says unknown device USB malfunctioned computer cannot recongnize and I tried what the computer told me to do and it still didn't work this never happened before i had my ipod for over a year & i always plugged it in that spot so what's wrong?? how can i fix it?? i tried plugging it in the back and it still won't take it idk why but it takes other cords just not my ipod one??