Windows 8 and 8.1 Forums


Dual Boot (Win 7 & 8) issue

  1. #1


    Posts : 3
    Windows 7 & 8.1

    Dual Boot (Win 7 & 8) issue


    Hi all,
    I have my system running Windows 7 and 8.1 originally without any problems. They were installed on the same hard drive on different partition. Yesterday, I had to format and reinstall Win7 and now I don't see the boot menu option for Win8.1 anymore. Is there anyway to fix this? Thanks in advance.

      My System SpecsSystem Spec

  2. #2


    Posts : 879
    Windows 10


    Can i boot an OS not listed in the windows boot manager?

    diskpart
    list volume Note: Note the volume letter where the Windows 8 is installed.
    exit

    bcdboot X:\windows Note: Replace "X" with the volume letter of the Windows 8 partition.

    BCDBOOT <source>
    - <source> Specifies the location of the Windows directory to use as the source for copying boot files.
    - UEFI mode: BCDBoot copies the boot files from the Windows partition to the EFI System partition and creates the BCD store in the same partition.
    - Legacy BIOS mode: BCDBoot copies the boot files from the Windows partition to the active partition on the primary hard drive and creates the BCD store in the same partition.
      My System SpecsSystem Spec

  3. #3


    Posts : 3
    Windows 7 & 8.1


    Thanks, genet. I will give that a try when I get home tonight.
      My System SpecsSystem Spec

  4. #4


    Posts : 3
    Windows 7 & 8.1


    Posting back with result. Everything works great. Thanks again, genet.
      My System SpecsSystem Spec

  5. #5


    Posts : 879
    Windows 10


    Ok, thanks for that feedback.
      My System SpecsSystem Spec

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