Trying to explain this the best I can...
My origional Droid running Project Elite 4.2 has an SDcard that's 16GB. I've used down to 2GB with 1,200 songs and countless pictures as well as a few apps that can be moved to SDcard.
I've had this phone for a year, and the PE4 since the end of December, and never had an SDcard problem. Today my alarm went off but not with the usual Korn "Wake Up" song I have saved on the SDcard. It was just a normal default system sound. I checked my ringtones and all my music was gone! Every ringtone I created was gone! The Tone Picker said "No Music Or SD Card Inserted." So I turned on the PowerAMP had no music in the song list. 1,200 songs...gone. I then noticed that in Gallery, all my pictures were gone.
Here's the kicker, my SDcard is still there, mounted. My apps still work perfectly. I can go into Root Explorer and manually play my songs and look at pics. Yet my apps are not seeing these songs and pictures. I also noticed that I can still take pictures, and save them to the SDcard. And they even show up in Gallery. But how come my old pics are not!? I also downloaded a new song using MP3 Downloader. The new song shows up in PowerAMP, but the old ones do not.
Any ideas? I'm gonna try to copy my SDcard to a computer and re-format, but I need a 2.0 USB port or it will take forever.