Well, in most cases, the GRUB2 will detect the Windows and add it to the list. If you are not able to choose between Windows and Fedora during bootup, the simplest way would be to run the boot-repair-disc.
It is a simple process.
Go to http://sourceforge.net/p/boot-repair-cd/home/Home/ for instructions. Download the image that you want from http://sourceforge.net/projects/boot-repair-cd/files/ . Create a live CD and boot into it. Then you can easily add the Windows to the GRUB menu so you can choose while booting up.
If Windows 8 fails to start, the Automatic Recovery feature should launch automatically and use a combination of a System Restore point and malware scan (+recovery) to get your PC back to a bootable state. However, if Automatic Recovery fails, it’s time to boot into the Windows 8 recovery environment from which you’ll have a few additional options that’ll get you going again: First, turn on your PC and repeatedly hit SHIFT+F8 right before the Windows 8 logo is seen on screen. Alternatively, plug in your Windows 8 USB thumb drive or insert the DVD and enter the setup. Jump to “Repair your PC” right from the installer’s welcome screen.
From the recovery environment, click on “Troubleshoot”. If your PC is damaged beyond repair and you forgot to create an image (see previous question), try the “Refresh your PC” setting. This will back up your Windows 8 apps, settings and files and then perform a complete reinstall and restore. You’ll end up back in your known Windows 8 environment, and all there is to do is reinstall your application. If, for whatever reason, the damage is serious enough that’ll make the PC Refresh fail, a complete PC Reset might be in order.
Again, consider both of these options as a sort of “last resort”. Instead, you should make your way to the “Advanced options” and try both the “System Restore” and “Automatic Repair” settings. If you’ve created an image (see previous question), you should try the “System Image Recovery” setting
Try inserting the Windows install boot-able CD and then when it states "hit any key to boot from CD..." don't.
Asked: 2014-05-07 14:56:49 -0600
Seen: 178 times
Last updated: Nov 19 '14
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Did you install in UEFI mode or legacy mode?
noooooo esque en la bios no me lo marca
We need a detailed description of your problem. This is not enough information to properly help you. How did you install Windows and Fedora? UEFI or Legacy? Did you make sure both were installed with the same boot firmware? If UEFI, is Secure Boot enabled? What is your partition layout? Does GRUB work properly for booting Windows? If not, can you at least boot into Windows using the UEFI boot menu?
sudo grub2-mkconfig -o /boot/grub2/grub.cfg then windows must get detected