Use Refind to boot Ubuntu and Windows dual system

Step one, download Refind:

Https://sourceforge.net/projects/refind/files/?source=navbar
extract after download refind-bin-0.10.2 Folder

Step two, modify the EFI partition under Windows

First, open a command prompt with administrator privileges, and enter the following command in turn:

DiskPart

List disk
Select Disk 0
List partition
Select Partition 3
Assign Letter=p
Exit

Taskkill/im explorer.exe/f
Explorer.exe

The command prompt is as follows:

d:\>DiskPart

Microsoft DiskPart version 6.3.9600

Copyright (C) 1999-2013 Microsoft Corporation.
On the computer: LENOVO-PC

diskpart> list Disk

Disk # # # state size available Dyn Gpt
-------- ------------- ------- ------- --- ---
Disk 0 Online 447 GB/GB *

diskpart> Select disk 0

Disk 0 is now the selected disk.

diskpart> list partition

Partition # # # type size offset
------------- ---------------- ------- -------
Partition 1 reserved MB/KB
Partition 2 Recovery 129 MB
Partition 3 system 260 MB 1129 MB
Partition 4 main GB 1396 MB
Partition 5 primary GB of Bayi GB
Partition 6 unknown 243 GB 203 GB

diskpart> Select partition 3

Partition 3 is now the selected partition.

Diskpart> Assign Letter=p

DiskPart successfully assigned a drive letter or mount point.

Diskpart> Exit

Quit DiskPart ...

d:\>taskkill/im explorer.exe/f
Success: The process "Explorer.exe" has been terminated with a PID of 2032.

d:\>Explorer.exe

D:\>

Now I can open my computer and find another P-plate.
Copy the Refind directory from the downloaded refind-bin-0.10.2 folder to P-disk.
Rename the refind.conf-sample in the Refind in P disk to refind.conf.

Step three, set the boot program to Refind

Run the following command to set Refind to bootstrapper bcdedit/set {bootmgr} path \efi\refind\refind_x64.efi
Reboot.

Use Refind to boot Ubuntu and Windows dual system