The firmware of the player is corrupted.Have you tried to update the firmware of the player? If not please follow this steps to resolve this problem. Enable the hold switch for it to show the orange color then press and hold the record and menu button until it shows welcome to recovery mode. Download the sansa firmware updater at the sandisk site and install and run it at in your computer. Then after that it will then be asking you to connect a device plug the player to the computer and perform the update. If the update is successfull you will be prompted to choose a language. hope this helps. :D
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