Nano clone stopped living
 

hi.
yesterday, my fake ipod nano 1GB, FW 9.0.50 stopped living(it shows the hourglass for hours) when i turned it off by the external switch.
when i try to flash it with the emergency recovery guide (http://www.mympxplayer.org/dead-play...ide-vt567.html) the computer recognizes an "Unknown USB device" even if I've followed all the steps of the guide.

Please help me!!!

ps:i'm sorry for my english