Please help

[Roacheru]

I have MP4 Player Nexus Nomad A209-4GB

http://www.mediaboom.ro/images/nexus..._a209_4_gb.jpg
http://www.mediadot.ro/produse/96-mp...-a209-4gb.html

and i tried to upgrade him but i forgot to restart the pc whit the player still connected and now the screen is white all the time and the pc don't recognized it anymore
the old version of firmware was Fw:b828_k6_v320 core:9.0.60
and i installed this one: http://www.mympxplayer.org/full-firm...151-df847.html

and I cant upgrade it again whit mp3player upgrade tool
I used this tutorial http://www.mympxplayer.org/how-to-up...ayer-vt46.html

What can I do to make him work? pls help and sorry for my language