using EasyBCD http://neosmart.net/wiki/display/EBCD/Ubuntu http://neosmart.net/forums/showpost.php?s=eafcc492feb7e71adbd10a111f075773&p=47103&postcount=16 using Grub2 http://blogs.technet.com/b/voy/archive/2006/10/13/how-to-use-windows-vista-s-boot-manager-to-boot-linux.aspx