My boot process performs a second machine reset when selecting the other Windows OS

David McDivitt 221 Reputation points
2021-05-26T12:02:10.237+00:00

Each time I get a new machine I repartition the disk, clone Windows onto a second partition, and add a second boot option. I do this right away while Windows is small. On my current machine I had to restore the main Windows OS and partition from backup, then rebuild booting for the partition.

Usually the boot menu comes up first before the operating system loads. Now, after the repair, if I choose the main partition from the boot menu, Windows has already loaded and appears immediately after making the selection. However, if I choose the other partition, the machine must reset with another POST action, then loads Windows from the other partition.

How can I have the machine not load any Windows operating system until I have selected one from the boot menu?

Windows for business | Windows Client for IT Pros | User experience | Other
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  1. David McDivitt 221 Reputation points
    2021-05-27T18:33:56.87+00:00

    @Jenny Feng

    Both operating systems show on the menu. I do not want the main operating system to preload in advance before I make my selection. If I choose the main OS, Windows presents instantly. If I choose the other OS, the machine does a hard reboot, then loads the other OS.

    I do not want the main OS to preload. Probably a configuration setting manages this. I use EasyBCD to edit the boot menu.

    EasyBCD 2.4 has a checkbox for "Use Metro bootloader". I unchecked that and the boot menu now appears in the traditional text-mode format. Also an OS does not preload. I like this menu better anyway because it provides additional functionality.

    To round out this question, can the Metro bootloader be used without preloading an OS?


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  1. Reza-Ameri 17,341 Reputation points Volunteer Moderator
    2021-05-26T15:40:13.957+00:00

    When you boot into the Windows, you may open start and search for MSCONFIG and open it and then go to Boot menu and configure boot option.

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  2. Jenny Feng 14,246 Reputation points
    2021-05-27T03:15:47.92+00:00

    @David McDivitt
    Hi,
    If both operating systems aren't listed:

    -Open a command line, either as an administrator from inside Windows, or by booting to a command line using the Windows installation disk and presssing Shift+F10, or by booting to Windows PE.

    -Add boot options for a Windows operating system.
    Bcdboot D:\Windows
    Reboot the PC. Now, the boot menu will show both menu options.

    Hope above information can help you.

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