SanDisk Sansa e270 MP3 Player "hold problum" Questions

...problum with it..normally....i would let it die and recharge it and that ususally solved it..but now when i try to chrage it..it would not show up in the computer..when i charge it..it just restarts ...

...hold the home button, turn it off, then turn it on again while still holding the home button. it will connect to itunes, and you must hit restore. it'll take about 30 minutes to restore the updates. ...