MP4 player disk image
 

Hello,
I have had a few MP4 players now, and found that with some of them, the disks can become corrupt and no longer writable. The drive in this state seems to need formatting, but a straight format wipes out required files on the device. To prevent this, try making a backup raw drive image. Using linux you can do this with the dd command:

Here change sde1 to the drive of your mp4 disk. I guess you can use rawwrite for this if using windows. To replace the disk image just use

This works but does require you make the disk image before you screw up the drive. I have recovered a few times using this, and on different players too. Not tried to recover from images of differing drives yet though.

Neil