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How to restore the Windows 8.1 bootloader

==========Comment récupérer le Bootloader de Windows 8 ou Windows 8.1===========


Pour les amis qui ont essayé d'implémenter le dual-Boot pour Ubunutu 14 à coté de Windows 8 ou Windows 8.1:
Et ont malheureusement rencontré un problème lors du démarrage en ayant un message tel que : "no partition found
grub rescue >"
====> La solution est la suivante :
1---Vous devez bootez de votre CD d'installation Windows ou USB bootable Windows.
2---Après vous allez avoir une interface pour choisir la langue et la langue de saisie, cliquez alors sur suivant .
3----Sur la page suivante choisissez "Réparer mon ordinateur"
4----Après choisissez "Troubleshoot my computer"
5----Après choisissez "Advanced Options "
6---- Enfin choisissez "Command Prompt", ici saisissez "bootrec.exe /fixboot" et après saisissez cette commande "bootrec.exe /fixmbr".
Maintenant fermez le prompt et choisissez "Turn off my comptuer".
Retirez votre usb et votre ordinateur démarrera normalement et vous n'allez rien perdre.
Explication sur le problème : un Grub est un programme de boot qui permet de choisir son système d'exploitation au démarrage de votre ordinateur, lorsque on a supprimé la partition Linux on a aussi supprimé ce Loader.
Alors lorsque l'ordinateur boot , il ne sait pas sur quoi pointer , dans la solution on a essayé de corriger cela , en le redirigeant vers le bootLoader de Windows.

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