so you need bootdiskutility.exe i have tried version r1073 but i think the latest version will also work here the link to download it :
i tried to upload version r1073 but it say the file is to big to upload...
here is how to configure a bootable usb with this utility from windows and boot from it...the snapshots are taken from mac..
you should only change graphics injector menu as you see
it should now work
if it work don´t try to change the resolution or anything in monitor setting if you do you will have a black screen again and you monitor will show only if you connect an external monitor !!!!,,,,
i have upload version r1073 to 4shared here is the link :