While you wait for answers, we may have found some information which could help you.
Click here for Player Fine Playsmy desktop pc will not recognise my sony walkman?
my sony NW-A1000 just died?
how to fix my sony walkman?
Sony Walkman Write Protected?
Sony NW A3000 - not 'seen' by software on PC?
My Walkman Mp3 Went through the wash?