Hi AO's

I have Ipod Shuffle 1GB the 2nd Gen

Recently it started giving me errors earlier it gave me 1418 error when i tried to restore it which was found for solution on net

later i started adding new track list for which Itunes gets hanged and after 2 - 3 mins it gives me a error the Required drive cannot be found.

i am not able to enter any songs to it

can you guyz please help me