So I unplugged my Wii to move it to another room in the house. and when I plugged it back in I had to put in all the system settings and it had deleted EVERYTHING but my game data. This only happens when I unplug it, so I was wondering if maybe the internal battery died? I dont have any homebrew/mod installed on it. just a plain old wii. My warenty has expired so I really dont want to send it in.