1, enter Fedora 19, find the boot mounted disk or partition, if not manually assigned, or forget the mounted disk or partition, you can use the Df-h command to view, in my own case, the boot directory under Sda6;
Use Grub2-install--force/dev/sda6 to write the boot file into the boot directory;
2, restart into win 8, download EASYBCD, personal version of free download; Select Add a startup item, select the LINUX/BSD option, and select the Grub2 in the Type dropdown box, you can choose to modify the start name, click Add;
3, in the Edit boot boot entry can see the start of Win 8 and the start sequence, you can verify whether the set to win 8 start;
4, the next reply to win 8 start management, under the BCD deployment option in the MBR configuration option, confirm that the first option, click to write MBR, everything goes well, after the restart can see Win8 startup mode and Win8 start selection.