no, It is me did not mention GPT in the first place.

https://i.imgur.com/iRgKmaQ.png

if I use the following command to assign osdevice partition to Volume 13,

bcdedit /set {612b7ff8-da2d-11eb-a34f-8abac159c9d9} osdevice...

thank you for your help.
I did the "active" experiment in VMware, it seems only work for MBR disks.

I think I will just use EasyBCD/ Macrium Reflect to fix the issue later.

thank you for the detail explanation.
I manually delete the Microsoft Reserved partition.
Just check in the Disk Management, all the disks are GPT.
and according System Information, it is UEFI.
...

I found that diskpart volume# and bcdedit volume# is not match. what is the reason for that?

attach the disk management screenshot in case useful

https://i.imgur.com/czsqLHd.png

thank you Megahertz, NavyLCDR

I just tried, the enter key is not working, but after enter the "bio" and exit , it automatic boot into windows 10.

my os version is windows 10 v21h1.

one of my hdd seems having some problem, it prevent my pc from booting, as shown in following image.


340938



but when I remove it from sata port, my...

Thank you all the helps.
I just found another installation USB drive which created few months ago, and install with it successfully.

Created it directly from Microsoft Media Creation Tool
, not from ISO or using other software

The W10 installtion USB drive just downloaded today.
When my Laptop boot from it, shows up error like this.

What is the reason, and how can I fix it?
I never have similar issue before in the...

Thank you all you guys help :D
It makes me clear now!

Is your D: for installed programs? Is it beteer have seprate for OS and Programs as well?

I have
C: for OS,
D: for my documents.

I use for game dev, mostly using Phoshop, Unity

Which one of the follow options have better performance?
2 HDD (1 for OS, 1 for documents)
1 HDD 2...