iPod won't charge, sync or transfer purchases
I have an iPod touch 4th generation. When I connect it to the computer, iTunes opens and recognizes it, but the iPod doesn't charge (it will charge from another computer that doesn't have iTunes or any of my music).
When I try to sync, it shows that I have 4GB of "other" using up space (wth??), and 710 songs...but when I disconnect the iPod, I actually only have 100 songs and they are not the songs I tried to sync.The songs I want to sync appear in gray when I look under "On this iPod". I thought about wiping the device clean and starting again, but I have alot of purchased songs that I can't transfer. (I went to the File>Devices>Transfer purchases and it wouldn't give me the option, it was grayed out).
What can I do to sync and charge my iPod with my computer?
iPod touch, iOS 6.1.1