You can use NIUBI Partition Editor Free Edition to convert Dynamic Disk to Basic without losing data on Windows 11/10. All features discussed.

Basic Disk vs Dynamic Disk. Post shows how to convert basic disk to dynamic disk OR dynamic disk to basic disk using UI, Diskpart, CMD without losing data.

and now my system is not booting up it is just showing only c: drive and X: drive(i.e. hidden system drive) all other partition are now lost. I can just see c: drive and its size is showing up as 0% ...