F17 Installed - no dual boot with win7 :(

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http://forums.fedoraforum.org – Hello i just installed Fedora 17 today. I want to use dual boot with win7 but after the installation only fedora was shown in grub bootloader. i tryed grub2-mkconfig. Doesnt helped. I have 2 NTFS Partitions. One for data and one with win7. here my partitions: dev/sda1 vfat DELLUTILITY dev/sda3 ntfs win7 dev/sda4 ntfs datapartition dev/sda5 swap dev/sda6 ext4 _Fedora-17-x86_6 I edited /etc/grub.d/40_custom to http://pastebin.com/WHqyuq5x (i got the 844... from dolphin) after that i tryed grub2-mkconfig again, doesent helped. (tryed it with msdos2 too) i downlo (HowTos)