Mbr to gpt convert failed

Anonymous

Hello I just upgrade my PC from p8z77vlx to ProArt z690 creator and I do convert mbr to gpt for my existing Windows 10 21h2 so I can use uefi bios, the problem is the conversion failed and I can't boot to Windows.

Anything I can do to be able to boot and repair the gpt partition ?

Or I need to reinstall Windows ?

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

0 comments

46 answers

Anonymous

2022-03-30T09:45:26+00:00

Hello Dave, I have download the tool but the toll won't run even as admin...

I think it because my Windows is broken
Was this answer helpful?

0 comments No comments
DaveM121 935.1K Reputation points Independent Advisor

2022-03-30T09:30:00+00:00

Hi DevotedOne89,

No, you cannot copy the files from the ISO to a USB, you must use the Media Creation Tool, that will download the required files, then automatically create the USB and then delete the temporary files.
Was this answer helpful?

0 comments No comments
Anonymous

2022-03-30T09:23:20+00:00

Dear Dave,

Do I just copy files from the ISO to USB or I need to do something else ?

Thank you
Was this answer helpful?

0 comments No comments
DaveM121 935.1K Reputation points Independent Advisor

2022-03-30T08:30:20+00:00

Hi DevotedOne89,

Yes, if you create a new bootable USB, that will contain version 21h2 and will be bootable in UEFI mode.
Was this answer helpful?

0 comments No comments
Anonymous

2022-03-30T08:27:33+00:00

Well, can you explain to me this 'uefi' and why it's so complicated, since last time I get new motherboard in 2012, I am not familiar with this and the secure boot

Meanwhile I will buy new USB, because I need to create new boot USB using windows 10 21h2 iso, correct ?
Was this answer helpful?

0 comments No comments