Forum Discussion
Shifting from BIOS to UEFI with the Windows 10 Creators Update MBR2GPT problem
windows10 version 1809 PS C:\WINDOWS\system32> mbr2gpt /validate /allowfullos MBR2GPT: Attempting to validate disk 0 MBR2GPT: Retrieving layout of disk MBR2GPT: Validating layout, disk sector size is:...
Hi,
UEFI needs GPT partitions, here are the guides to help you convert MBR to GPT without data loss
https://www.thewindowsclub.com/convert-mbr-to-gpt-disk
Also Microsoft doc:
https://docs.microsoft.com/en-us/windows-server/storage/disk-management/change-an-mbr-disk-into-a-gpt-disk
UEFI needs GPT partitions, here are the guides to help you convert MBR to GPT without data loss
https://www.thewindowsclub.com/convert-mbr-to-gpt-disk
Also Microsoft doc:
https://docs.microsoft.com/en-us/windows-server/storage/disk-management/change-an-mbr-disk-into-a-gpt-disk