Basic usage of diskpart on windows.

EFI

http://linuxbsdos.com/2015/09/05/how-to-delete-grub-files-from-a-boot-efi-partition-in-windows-10/

% These commands are used to identify and select the hard drive

diskpart

list disk

sel disk 

% These commands are used to list the partitions, select the Boot EFI partition, 
% then assign it a drive letter

list vol

sel vol 2

assign letter=D:

exit

% These commands are used to change into the Boot EFI folder and delete the GRUB folder

cd /d D:

ls

ls EFI

cd EFI

ls

rmdir /s ubuntu

diskpart
select disk 0
select partition 3
delete partition override
exit

Windows

Windows 查看磁盘分区格式

  1. 按下 Win+R 打开运行，输入 cmd，打开命令提示符；
  2. 输入 diskpart 按回车执行，切换到 DISKPART 命令，输入list disk，按回车；
  3. 查看最后一列的GPT，如果有*号则为GPT，如果没有则为MBR。