Sample video from the A+ Troubleshooting Techniques LiveLessons product. Shows how to fix the “bootmgr is missing” error. You can purchase the entire product or individual lessons at the following link: A+ Troubleshooting Techniques LiveLessons [iframe width=”640″ height=”360″ src=”http://www.youtube.com/embed/SHMJgvGf0Fc?vq=hd720″ frameborder=”3″ allowfullscreen]