Windows 8 and 8.1 Forums

Can't install Windows 8 in UEFI mode

  1. #1

    Can't install Windows 8 in UEFI mode


    I am using Windows 8 since release now but just figured out it was never installed in UEFI mode. So I wanted to reinstall it. The first problem I had was I couldnt boot from my DVD I burned the iso file on the Windows 8 setup too created for me, there is no UEFI boot option available.

    Then I created a copy of all files on a 8gb SD card, used bootsect /nt60 x:, again, no UEFI boot option available. My last try was, because I have no USB pen, creating a fat32 partition on one of my usb hdds, again copied all files on it, did a bootsect /nt60 x:, and now I was able to chose UEFI: ... from the boot menu.

    So I booted from it, but then it gave me this error screen, and I don't know why, or what to do now anymore. Any help would be really appreciated.
    Attached Thumbnails Attached Thumbnails 20121105_194140.jpg  

      My System SpecsSystem Spec

  2. #2

    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1

    Open command prompt in Repair my Computer

    Click image for larger version

    Startup Options Menu Shortcut - Create in Windows 8

    Type diskpart
    SELECT DISK # ( HD Drive for Windows 8)
    convent gpt

    Make the first partition in Drive Options
    Click image for larger version

    To boot your DVD, use boot menu

    Click image for larger version

    press enter on the UEFI DVD drive

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    UEFI (Unified Extensible Firmware Interface) - Install Windows 8 with
      My System SpecsSystem Spec

Can't install Windows 8 in UEFI mode
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