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I left my iPod in the rain - by accident. I got the water out of the screen (rice method) but now it only turns on when plugged in. It also has highest battery when plugged in but goes completely black when unplugged. Im devastated, what do I do?!! Thanks!

Elinor, the rice method really only get some of the water out. you iPod may suffer from corrosion after, unless you clean it properly. Follow this guide. The guides to disassemble your iPod are at iPod Nano 4th Generation Repair It is a difficult job and will require lots of patience. Once you got it cleaned and removed any corrosion, replace the battery and reevaluate. Hope this helps, good luck.