Loading into Windows 7 (Boot Camp) takes really long.

Hello, I recently installed Windows 7 Ultimate on my MBP Early '11 and thought everything went well, but after a restart I noticed it's not. When I try to start up a black screen shows up and the _ symbol blinks for about 2 minutes until Windows 7 finally starts to load up. I don't think that's normal and I've never encountered, nor seen this problem before. I already tried repairing the volume with the Disk Utility tool on OS X and I also tried to repair the volume by booting from the Windows 7 installation disk, but no error was found and nothing got repaired. Did anyone already have this problem and knows how to solve it? I don't really want to reinstall Windows, that's why I rather ask before doing something unnecessary.

Thank you very much!

Cheers,

Xavier