If restoring the iPod brings you to the "select language" screen, and you can still not get past that screen, even after toggling the hold switch numerous times, it might be that the [http://shop.ebay.com/?_from=R40&_trksid=p3907.m38.l1313&_nkw=ipod+nano+4th+clickwheel&_sacat=See-All-Categories|clickwheel] needs to be replaced. It is possible the motherboard is bad too though.