This is a video tutorial on how to fix a problem that effects macs using bootcamp and windows 7 in which you see a black screen with a blinking white cursor when trying to load windows 7
Download this software EASYBCD
http://www.neosmart.net/EasyBCD/
Then follow the instructions shown in the video.
After that restart your computer and you should no longer have any issues.
WARNING: Don't change any other options in EasyBCD.
If used incorrectly you can make your current OS installation not bootable
Watch video [Tutorial] FIX MAC / OSX Slow boot and blinking cursor when loading Windows 7 online, duration hours minute second in high quality that is uploaded to the channel fixitfixitfixit 22 February 2012. Share the link to the video on social media so that your subscribers and friends will also watch this video. This video clip has been viewed 26,914 times and liked it 109 visitors.