Windows 10: Windows won't boot after using DiskPart

  1.    30 Nov 2015 #1

    Windows won't boot after using DiskPart

    Used Diskpart to access a spare OS that is same as my main OS, now I can not get the spare OS to boot? When I try and boot it go to Preparing Automatic Repair, can't get past this.Will not boot in save mode or nothing. Can still acess the drive from other OS,is there a window file I can change or be deleting to boot this system. Hope I don't have to wipe this drive and start over,it's my backup drive.
      My ComputerSystem Spec

  2.    30 Nov 2015 #2

    Pull out your hard drive and attach it to another working PC, you should be able to see your files and backup them.
      My ComputerSystem Spec

  3.    30 Nov 2015 #3

    I can access the files from other os in computer without problems. Need a way to fix the other os to boot. Need to fix the broken windows10 os on that drive.
      My ComputerSystem Spec

  4.    30 Nov 2015 #4

    The quickest solution is to perform a refresh on your problematic Windows 10 OS, I think.
    Here is how to refresh Windows 10:
    Refresh Windows 10 - Windows 10 Forums
      My ComputerSystem Spec

  5.    30 Nov 2015 #5

    Tried that and no luck,on reset it said it had problems and no files changed. Sure would like to get this think to boot
      My ComputerSystem Spec

  6.    01 Dec 2015 #6

    Well I tried everything under the sun with no luck. Does somebody have a different idea? Computer turn on and goes to Preparing Automatic Repair, then does Diagnosing Your PC. I can access all the files on that drive from another OS,should I be looking at a window file to see whats wrong. I will try anything at this point.
      My ComputerSystem Spec

  7.    01 Dec 2015 #7

    Maybe your boot configuration has become corrupted? See my proposed fix at post 30 at for which I'm awaiting advice.
      My ComputersSystem Spec

  8.    01 Dec 2015 #8

    Thanks Steve
    No luck on my part,I'm running windows10 build 10240.Loaded the Windows Disk and went to command prompt and started diskpart. Could not find EFI Volume in options?
      My ComputerSystem Spec

  9.    01 Dec 2015 #9

    My post relates to a UEFI boot system. You will only have the EFI partition if you are using UEFI boot.
      My ComputersSystem Spec


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