Windows 8 and 8.1 Forums


Accidentally Deleted System Reserve partition

  1. #11


    Posts : 2,690
    Windows 3.1 > Windows 10


    try this > d:\windows\system32\bcdboot d:\windows /s D:

    You could actually use the recovery iso - in my sig below to boot into a custom windows recovery enviroment (WinRE) instead of a black cmd prompt..

    that way you can actually see what is going on with your disk and partitions.. You could even re-create the deleted system partition with partition assistant.. and then add the boot files to it..

    You deleted the partition - but, did you move or overwrite the unallocated free space that the deleted partition created..

    hard to tell from a windows pre-installation environment (WinPE) - black cmd windows..
    Last edited by KYHI; 01 Apr 2015 at 12:29.

      My System SpecsSystem Spec

  2. #12


    Posts : 10
    Windows 8.1


    x:\windows\system32>d:\windows\system32\bcdboot d:\windows /s D:
    Boot files successfully created.
    1.Thing is when I restart the PC it still wont boot from the HDD.
    You could actually use the recovery iso - in my sig below to boot into a custom windows recovery enviroment (WinRE) instead of a black cmd prompt..

    that way you can actually see what is going on with your disk and partitions..
    2. Thank you I have been using winre which i got from your sig its really helpful
    You could even re-create the deleted system partition with partition assistant.. and then add the boot files to it..
    3. Actually going to try this now but is it really that easy? How exactly do I go about this though?
    You deleted the partition - but, did you move or overwrite the unallocated free space that the deleted partition created
    4. I dont think I did

    This is how my drive looks at the moment
    Click image for larger version
      My System SpecsSystem Spec

  3. #13


    Posts : 2,690
    Windows 3.1 > Windows 10


    I am posting this from within the Custom windows 8.1 recovery enviroment it allows you to SEE what you are doing and gives you access to some pretty useful tools..
    Attachment 59920
      My System SpecsSystem Spec

  4. #14


    Posts : 2,690
    Windows 3.1 > Windows 10


    open aomei partition assistant and look at the hdd for unallocated space
      My System SpecsSystem Spec

  5. #15


    Posts : 10
    Windows 8.1


    Here we go
    Click image for larger version
      My System SpecsSystem Spec

  6. #16


    Posts : 2,690
    Windows 3.1 > Windows 10


    You are using a GPT Disk.. select that Unallocated space at the end of your drive create a 100MB Fat32 EFI partition

    That is why the last command you ran completed with sucess BUT failed to Boot.. UEFI-GPT boots from a Fat32 Partition and will not boot from a NTFS Windows partition

    MBR disks will, BUT GPT dsiks will not
      My System SpecsSystem Spec

  7. #17


    Posts : 10
    Windows 8.1


    Ok so I made it so i'm going to apply the changes and get back to you with my results. Again thank you so much you are a big help

    Click image for larger version
      My System SpecsSystem Spec

  8. #18


    Posts : 2,690
    Windows 3.1 > Windows 10


    cancel that (do not Apply) and we will do it through diskpart as we need to create another partitions as well
      My System SpecsSystem Spec

  9. #19


    Posts : 10
    Windows 8.1


    Quote Originally Posted by KYHI View Post
    cancel that (do not Apply) and we will do it through diskpart as we need to create another partitions as well
    Ok then. Just walk me through it and i'll do as you command
      My System SpecsSystem Spec

  10. #20


    Posts : 2,690
    Windows 3.1 > Windows 10


    open command prompt and typeone line at a time>
    diskpart
    select disk 0
    create partition efi size=100
    format quick fs=fat32 label="SYSTEM"
    assign letter="S"

    create partition msr size=128
    exit

    c:\windows\system32\bcdboot C:\windows /s S: /f UEFI
      My System SpecsSystem Spec

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Accidentally Deleted System Reserve partition
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