Windows 10: How can I manually create a boot partition for an MBR disk?

Discus and support How can I manually create a boot partition for an MBR disk? in Windows 10 Software and Apps to solve the problem; I'm trying to create a boot partition for an MBR disk, so the create par efi size=512 doesn't work.What should I do?... Discussion in 'Windows 10 Software and Apps' started by Sushruth_944, Dec 1, 2021.

  1. SUSHRUTH_944
    Sushruth_944 Win User

    How can I manually create a boot partition for an MBR disk?


    I'm trying to create a boot partition for an MBR disk, so the create par efi size=512 doesn't work.What should I do?

    :)
     
    Sushruth_944, Dec 1, 2021
    #1
  2. COATH4NGER
    CoatH4nger Win User

    clone MBR HD to bootable GPT partition?

    Hi,

    1. You cannot convert mbr to gpt without data loss. otherwise, you can follow directions here:

    FROM WINDOWS RECOVERY CONSOLE:

    To change a master boot record disk into a GUID partition table disk using a command line


    • Back up or move the data on the basic master boot record (MBR) disk you want to convert into a GUID partition table (GPT) disk.

    • Open an elevated command prompt (right-click Command Prompt, and then click Run as Administrator) and type diskpart. If the disk does not contain any partitions or volumes, skip to step 6.

    • At the DISKPART prompt, type list disk. Make note of the disk number you want to convert.

    • At the DISKPART prompt, type select disk <disknumber>.

    • At the DISKPART prompt, type clean.

    2. I'd suggest converting your vista drive to a virtual machine, load that up on your windows 10 system and use a program like virtualbox to run it.
     
    CoatH4nger, Dec 1, 2021
    #2
  3. FREDERIK LONG
    Frederik Long Win User
    CANNOT CREATE NEW PARTITION FROM C DRIVE

    Your problem is that you already have 4 primary partitions. This is the maximum allowed under the MBR scheme. On the other hand you also have 2 Recovery partitions. Why?

    I would do this to be on the safe side:

    1. Use the free version of Macrium Reflect to create an image of your disk. Park it on an external disk.
    2. Create a bootable Macrium rescue flash disk.
    3. Delete the Recovery partition on the far right of your Disk Manager display.
    4. Press Shift+Restart to check if you can still boot into Windows Repair Mode.
    5. Create a new partition for your dual boot scheme.
    In case something goes wrong, restore the image created in Step 1.
     
    Frederik Long, Dec 1, 2021
    #3
  4. SMITTYCHAT.
    Smittychat. Win User

    How can I manually create a boot partition for an MBR disk?

    Smittychat., Dec 1, 2021
    #4
Thema:

How can I manually create a boot partition for an MBR disk?

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