Windows 10, dual boot second os stuck on automatic repair.


  1. Posts : 1
    W10
       #1

    Windows 10, dual boot second os stuck on automatic repair.


    Hey, i'm currently running windows 10 dual boot, one of the windows versions is for my insider one.

    Can boot into one of both OS, not the insider version, but when i try to boot up in the second one.
    Im stuck on preparing to automatic repair or something like that. It restarts, and again. Automatic repair etc.
    It launches, black screen with a cursor. And then i have to turn off my computer using the button @the case.

    What to do?
      My Computer

  2. AndreTen's Avatar
    Posts : 25,075
    Windows 10 (Pro and Insider Pro)
       #2

    Hi Dauntays, and welcome to Tenforums!

    Blackscreen with cursor could be console (command prompt). Looks like your boot menu is corrupted, or your Insider partition is corrupted.

    Install Macrium reflect free (you should have it anyway ) and follow this tutorial:

    Use Macrium Reflect Rescue Media to Fix Windows Boot Issues

    If you don't want to install Macrium, there is an option with Kyhi's Windows 10 bootable rescue disk. Boot from it (make USB bootable drive) start Macrium reflect and run "Fix boot menu".

    Windows 10 Recovery Tools - Bootable Rescue Disk

    You could do the same from console with bcdedit and series of commands. not sure about your skills.
      My Computers


  3. Posts : 489
    Microsoft Windows 10 Home 64-bit 18363 Multiprocessor Free
       #3

    I suggest making a clone using Macrium Reflect.

    From the working drive to the non working one.
      My Computer

  4. f14tomcat's Avatar
    Posts : 55,186
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #4

    Dual booting may indicate it is on the same drive, separate partitions. Hence, the suggestion to fix and correct the boot menu bcdedit records. Using Macrium or a series of commands.
      My Computers


  5. Posts : 489
    Microsoft Windows 10 Home 64-bit 18363 Multiprocessor Free
       #5

    I use the following designation, my primary drive is c: and my mirror is f:

    so you want to run:

    bcdboot C:\Windows /s F:

    then view your boot options. Also EasyBCD is not a bad program. All this after Reflect.

    bcdedit
      My Computer


  6. Posts : 446
    W10
       #6

    fast booting is not compatible with dual booting. Be sure to have unchecked that in power options.
      My Computer


  7. AndreTen's Avatar
    Posts : 25,075
    Windows 10 (Pro and Insider Pro)
       #7

    PiKo said:
    fast booting is not compatible with dual booting. Be sure to have unchecked that in power options.
    Fast startup can be problematic, and is one of the first things to disable. Especially if you have SSD (no difference in boot time).

    Dual boot is not affected more or less with this function. As you always have to restart computer to access boot menu (or to boot to another system directly), and by restarting, fast startup doesn't have any effect on it.

    Fast startup is involved only when shutting down, and starting from that state (or can be when putting to sleep and wake from sleep). Not when restarting.
      My Computers


 

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