IMAC BOOT CAMP WINDOWS 7 BLACK SCREEN FIX.
Boot Camp: iMac (27-inch, Late 2009) displays a black screen during installation of Windows 7 using Boot Camp
http://support.apple.com/kb/TS3173
how to repair windows 7
Boot Camp: iMac (27-inch, Late 2009) displays a black screen during installation of Windows 7 using Boot Camp
http://support.apple.com/kb/TS3173
how to repair windows 7