Sony nw-ws413

Hello,


Hello, I tried to do both of your steps, but unfortunately I don't have any of them.

sony mp3 can be detected as removable disk
just follow...be sure your player is connected to pc
go to my computer right click>>properties> IN HARDWARE TAB select device manager>portable audio>right click select update drivers>click next>tick the option let me choose driver for this device>next choose usb mass storage driver from two options click next....
(For this one I don't have the portable Audio. Is it the Universal Bus Controllers?)

When I try to update the USB port where I see the ! sign, and follow your intructions it doesn't show two options. So I'm very confused.