Originally Posted by boohbah11
Well before you try and replace it try a new cord, if that doesn't work make sure you know what you're getting into before you try and replace the battery. You will have to unsolder the old one and solder the new one on, it doesn't just plug in.
Err, it depends on his Zune. I'm pretty sure the 30 was solderless (remember the leap year bug? We recommended people disconnect and reconnect batteries), and some of the later ones (80 or 120 if any) may have been as well. The HD I'm pretty sure needs solder.
So what Zune do you have?