Windows 8 and 8.1 Forums

Windows 8.1 Final - installation

  1. #11

    Posts : 25
    Windows 8.1 PRO 64bit

    Quote Originally Posted by Saltgrass View Post
    Quote Originally Posted by kaieivindm View Post
    When I upgraded from Windows 8 Final to Windows 8.1 Preview, it removed my UEFI Windows 8 Installation. To my knowledge, it also changes the MBR on the harddrive.
    Us knowing exactly how you did the upgrade might help us understand the situation, but for the update to change your system to MBR, it would have had to reconfigure the Hard Drive. It could not do that unless all the prior partitions had been removed from the drive, which you would have to choose to do.

    If you got the UEFI back by changing some bios settings, perhaps you just lost the Windows Boot Manager which is associated with a UEFI install. Or another hard drive was involved in the install process.

    If you feel like it, you might attach a snipping tool picture of your Disk Management window using the paperclip on the advanced replies. Maybe that would clear up the situation.
    You Sir, are totally correct! The W 8.1 Preview somehow borked my Windows Boot Manager setup. Don't know why or how that happened though.

      My System SpecsSystem Spec

  2. #12

    Posts : 1,121
    Windows 8.1 x64

    Actually, I was saying a Windows 8.1 install could not have changed the drive configuration unless specific conditions had been met.

    Supplying the requested info might help us see what happened. If you want to wait for the final version to be released and try again, just let us know.
      My System SpecsSystem Spec

  3. #13

    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1
      My System SpecsSystem Spec

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Windows 8.1 Final - installation

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