Forum Discussion
Zachary-Cavanell
Apr 05, 2017Bronze Contributor
Shifting from BIOS to UEFI with the Windows 10 Creators Update MBR2GPT disk conversion tool
Comprehensive yet quick video overview that explains how you can safely and non-destructively convert a Windows 10 machine from legacy BIOS to UEFI disk partitioning; and how you can automate the con...
Lasse Gaardsholt
Apr 09, 2017Copper Contributor
I get this error when trying to do the /validate
ValidateLayout: Wrong boot partition count, expected 1 but found 0.
Any idea why that is?
ValidateLayout: Wrong boot partition count, expected 1 but found 0.
Any idea why that is?
ftrout
Apr 09, 2017Brass Contributor
Just from the look of the error, it sounds like it cannot find a boot partition. How are you running the command?
- Lasse GaardsholtApr 09, 2017Copper Contributor
mbr2gpt /disk:1 /validate
I have tried from both WinPe and within Windows.
This is the full transcript for the command prompt.
C:\Windows\system32>mbr2gpt /disk:1 /validate /allowfullos /logs:c:\temp MBR2GPT: Attempting to validate disk 1 MBR2GPT: Retrieving layout of disk MBR2GPT: Validating layout, disk sector size is: 512 bytes Disk layout validation failed for disk 1
- Dhruv JoshiAug 23, 2018Copper ContributorHow many partitions do you have ?
- Dhruv JoshiAug 23, 2018Copper Contributor
This is happening because you have more than 3 partitions on your disk 0 or disk 1 where you have the windows 10 installed. Or probably you have selected wrong disk. try on disk 0.
- William A. Paternina M.Aug 14, 2018Copper ContributorI Had the same error while trying to convert my mbr hard disk to gpt.
what I did for getting success was the following:
1.- checking my partitions in computer management, I saw my two partitions (system reserved and OS ) were primary partitions, but data partition Or D: (as I use to call it) was in logical partition state.
2.- I installed Minitool Partition Wizard and converted logical partition to primary.
3.- Run into windows Enviroment the mbr2gpt /convert /disk:"number of the disk" /allowFullOS and the... IT WORKED!
Hope you Found this helpful.