Black screen after Windows 7 install on late 2009 iMac
MacOS, Windows, and Linux
Windows 7
Boot into MacOS, install either NTFS Mounter or NTFS 3G in order to make the NTFS partition writable.On the Windows OS drive, delete the existing ATI driver:/Windows/System32/Drivers/atikmdag.sysReboot into Windows 7, download the latest ATI HD 4850 driver fro...