I have an ipod touch 2g 4.2.1 and i tried restoring on my ipod (setting->Reset->um the comoplete restore) and then it showed the thing where theres the apple screen and a little white bar underneath that slowly fills up as it restores and then after that it just went to the apple screen and now it wont load! like its just stuck there. i already tried holding down the power and home button and restarting it but it wont load! HELP!