MP3 player not detected-Reason is formatted using windows

hi frnds,
i have sansa m230 512 mb mp3 player n by mistake i formatted it using windows(plz never do this). Since then it is not getting detected on my PC.plz help me.....i have the firmware but i cant install it unless my player is detected

plz frnds help me out...........

Same problem here mate. Don’t know what to do.

i also having same probelm dont know what to do....