automaticly formating microsd

every time i get in my microsd card to the sandisk express its formating automaticly

some solution?

After it formatted your device kindly update the firmware or reload the firmware;

http://kb.sandisk.com/app/answers/detail/a_id/446/kw/sansa%20express%20firmware/r_id/101834

:wink: 

My Sansa Express battery ran out and unit went blank  Nothing in the computer or out

Tryed hard reset  and put in a micro sd  and still nothing