4Gb Fuze turns on and off by itself and won't stay on!

Glad to have been of some help!  There may be some way to fix it yourself if you could figure out what the problem was exactly, but that’s totally bejond my scope.  I decided it was hardware because nothing I could do to the software was working, and once it seemed to start working again, but wouldn’t respond when I tried to turn it back off.  So the power switch seemed most likely.