Windows 10: dual boot /mbr to gpt

Discus and support dual boot /mbr to gpt in Windows 10 Software and Apps to solve the problem; I would like to enable dual boot Windows 10 and Linux Mint. Currently Windows 10 only; please guide me step by step how to convert this disk and... Discussion in 'Windows 10 Software and Apps' started by Rad A, Dec 6, 2021.

  1. Rad A Win User

    dual boot /mbr to gpt


    I would like to enable dual boot Windows 10 and Linux Mint. Currently Windows 10 only; please guide me step by step how to convert this disk and install Mint along Windows. i.e. Legacy to UEFI, MBR to UEFI etc., unfortunatelly I am not a 20 years old IT genius.... So far my attempts failed. I have a bootable USB with Mint, I would like to clone the existing Win10 to reinstall.Please advise;Rad.

    :)
     
    Rad A, Dec 6, 2021
    #1

  2. 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 6, 2021
    #2
  3. What is a better format for HDD over 2TB Master boot with Win 7 OS RAID... GPT vs MBR?

    UEFI -> GPT
    BIOS -> MBR

    I use GPT whenever possible.

    YES! BIOS can only boot MBR.
     
    FordGT90Concept, Dec 6, 2021
    #3
  4. Aquinus Win User

    dual boot /mbr to gpt

    GPT vs MBR boot time and R/W speeds & IOPS?

    Not really. UEFI booting from GPT might be slightly faster but I'm sure it's a negligible improvement. It's more of a feature thing. GPT supports more than MBR which is why it's advantageous to use it. I use it because it's the direction partition tables are going and is required to boot via UEFI iirc but, it allows for more partitions and bigger disks.
     
    Aquinus, Dec 6, 2021
    #4
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dual boot /mbr to gpt

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