I've installed Fedora 17 and Windows 7 on two different hard disks as a dual-boot system. The default boot loader is GRUB 2 maintained and configured in Fedora 17. When I startup and choose "Windows 7 bootloader (on /dev/sda1)" in GRUB 2, Windows 7 boot loader will appear, with only Windows 7 as the only choice and also the default operating…