Reinstalling Windows: Windows detected that the EFI system partition was formatted as NTFS. Format the EFI system partition as FAT32, and restart the installation.

So I moved from Japan to the East Coast of the US and my OS drive broke so I am attempting to reinstall Windows 10 on an SSD.

Using Rufus to put the ISO I got from Microsoft's web page on the USB.

- GPT Partition Scheme for UEFI

- FAT32

- Attach ISO

- Run

Am able to get all the way to install screen where it gives me the error "Windows detected that the EFI system partition was formatted as NTFS. Format the EFI system partition as FAT32, and restart the installation."

Double checked and drive is FAT32. I have tried changing the BIOS settings to only UEFI and hybrid with Legacy support and no luck.

 

Question Info


Last updated September 15, 2019 Views 31,032 Applies to:
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Answer

This may be a little bit late but...

...I was having the same problem on a tablet with a 32Gb eMMC drive.

To rectify this I used DISKPART: -

  • deleted all partitions
  • converted the drive from GPT to MBR

I then rerun the windows 10 setup from the USB stick.

Incidentally I did not use Rufus to create the USB stick - I used the official Windows 7 USB tool (Windows7-USB-DVD-Download-Tool.exe) from the Microsoft website.

Cheers

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