Windows 10: Converting W10 System Disk from MBR to GPt Solved


  1. JJG10

    Member
    Posts : 312
    Windows 10 Build 1703
       New 03 Jun 2017 #1

    Converting W10 System Disk from MBR to GPt


    For some reason my W10 System Disk (SSD) is set up as an MBR Disk. My separate Data disk (HDD) is GPT. I know how to convert the System Disk to GPT using Minitools Partition Wizard. If I do that to the SSD will I loose the W10 installation? And is there any advantage to doing that conversion?

    Thank you.
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  3. Brink

    Administrator
    Posts : 28,638
    64-bit Windows 10 Pro build 17655
       New 03 Jun 2017 #2

    Hello JJ,

    If you Windows disk doesn't have more than 3 partitions on it, then you could use the method in the tutorial below to convert your Windows 10 installation from legacy BIOS to UEFI without data loss.

    Convert Windows 10 from Legacy BIOS to UEFI without Data Loss Windows 10 Installation Upgrade Tutorials
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  4. JJG10

    Member
    Posts : 312
    Windows 10 Build 1703
    Thread Starter
       New 04 Jun 2017 #3

    Thank you very much Brink. That worked like a charm.
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  6. Brink

    Administrator
    Posts : 28,638
    64-bit Windows 10 Pro build 17655
       New 04 Jun 2017 #4

    You're most welcome.
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