While you wait for answers, we may have found some information which could help you.
Click here for Sony Pc Workmy desktop pc will not recognise my sony walkman?
how to fix my sony walkman?
wony turn on sony walkman nwz-e436f?
Sony NW A3000 - not 'seen' by software on PC?
Sony Walkman Write Protected?
My Walkman Mp3 Went through the wash?