dead player
 

please help me!!!
Sorry for my english.
I have a mp4 touch player and I have a bad firmware. My screen is ever white. I copied rkusb.tag, teclas.sys, but i see only
- rockchip usbdisk user usb device
- rockchip usbdisk sd usb device

I don' t see the hide partition and I don't know how recovery my firmware
this is my player
http://www.billystore.it/ebay/2gbt_3.jpg