PMP with a blue screen and ask to insert key
 

plz i have a pmp device called
http://img.alibaba.com/photo/2009838...eaker_New_.jpg

i formatted it without having the firmware files

i did that because it was always giving me blue screen and has only 2 options usb disk & format

now when i hold the vol button and press the power button then release the vol button, it give my a blue screen and ask my to insert key

and if i hold the menu button the connect it with my computer the windows detects a usb dvice without installition and ask me for the cd

what sould i do??? plz help