Windows 10: Update to build 9860 messes up dual-boot setup

Discus and support Update to build 9860 messes up dual-boot setup in Windows 10 News to solve the problem; Hi It appeared to me that Windows 10 moves the boot loader on what ever partition it is installed on. I opened EasyBCD in Windows 10 and set it... Discussion in 'Windows 10 News' started by unifex, Oct 24, 2014.

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  1. MIKEHAWTHORNE
    MikeHawthorne Win User

    Update to build 9860 messes up dual-boot setup


    Hi

    It appeared to me that Windows 10 moves the boot loader on what ever partition it is installed on.

    I opened EasyBCD in Windows 10 and set it up from there, and it worked fine.

    I didn't have to do that after the update because I had already set the boot loader in 10 as the default.
    It just stayed that way after the upgrade.

    When it rebooted after is was finished the boot menu came up normally.

    Since I'm only using Windows 10 I put it first in the boot order.
    So if I don't respond it loads Windows 10 on its own.

    Mike
     
    MikeHawthorne, Oct 26, 2014
    #16
  2. GEOFFREY
    Geoffrey Win User

    You can alter quite a few boot parameters much more cleanly using msconfig.exe (search it from Start), then go to the Boot tab. From there, you can set the default OS to boot up, the timeout, and some advanced OS settings too. Obviously you have to have the dual boot settings already in your BCD for this to work. You can't add a new OS from here. EasyBCD puts proprietary entries in the BCD, which I'm not a fan of. If you want to add an OS install to the bootloader, better to learn how to use bcdboot. It's usually as simple as:

    mountvol s: /s --- Makes the system partition available (if you have one)
    bcdboot f:\windows /d /s s: /f ALL --- Set windows location to new installation's Windows directory; s: is drive where BCD is (system partition); can use UEFI or BIOS instead of ALL, depending on boot configuration

    You can then check/adjust entries in msconfig.
     
    Geoffrey, Oct 28, 2014
    #17
  3. COUNTMIKE
    CountMike New Member
    Too many chances to screw things up, wouldn't recomend to anybody without a lot of experience.
    Which "proprietary entries in the BCD" are we talking about ?
     
    CountMike, Apr 4, 2018
    #18
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Update to build 9860 messes up dual-boot setup

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