utility to convert MBR disk with Windows partitions to GPT?


  1. Posts : 1,131
    Windows 10 Pro
       #1

    utility to convert MBR disk with Windows partitions to GPT?


    Does this utility exist?

    I've tried Minitool's free version, which claims to support MBR to GPT conversion, but I got a warning that the disk would not be bootable.

    I downloaded a trial of the paid Easeus partition manager and when I tried that conversion, I got an error message telling me to contact support.

    Any suggestions, besides the one where you copy off all partitions to another drive, then do the conversion, and then copy all partitions back?

    x509
      My Computers


  2. Posts : 2,790
    Linux Mint 20.1 Win10Prox64
       #2

    Can you post a screen shot of Disk Management then we'll go from there:
    Screenshot - Take in Windows 10 - Windows 10 Forums
      My Computer


  3. Posts : 13,580
    Windows10
       #3

    x509 said:
    Does this utility exist?

    I've tried Minitool's free version, which claims to support MBR to GPT conversion, but I got a warning that the disk would not be bootable.

    I downloaded a trial of the paid Easeus partition manager and when I tried that conversion, I got an error message telling me to contact support.

    Any suggestions, besides the one where you copy off all partitions to another drive, then do the conversion, and then copy all partitions back?

    x509

    Converting drive to gpt without losing data is easy enough. Your issue is that the partitions will be set up as legacy bios, and to use gpt on OS drive, you need to convert install to uefi instead.

    It is doable but takes a little work.

    Post image of current disk partitions.
      My Computer


 

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