While you wait for answers, we may have found some information which could help you.
Click here for Mp3 Sandisk Sansamp3 froze?
how can fix my sanDisk 6.0 mp3 player?
HOw can i fix my SanDisk - Sansa Fuze 8GB MP3 Player - Silver?
mp3 turns on then off?
what to do when your sandisk sansa mp3 model m250 wont turn on?
How can I fix my Sandisk sansa e200 mp3 player?