ok now this is very strange, I changed my screen on my 650 because is was broken, took it apart and put it back together without a problem, insert my card in and it loads I even beam a program to my day fine so I think ok its all well and good then I notice that after my screen went out it came back on so I turned it off again later that eveing I go to listen to some mp3 and nothing loads so I remove the card and put it back in and when I cycle through the card doesn't show up, I go to card info and "no card available" I did a soft reset and tried again same proble but I notice when I put the card in the screen comes on whenever it want to ....please I need any kind of help