To change a dynamic disk back to a basic disk using the Diskpart utility

To change a dynamic disk back to a basic disk using the Diskpart utility, perform the following procedure:

1. Back up all volumes on the disk you want to convert.
2. Open an elevated command prompt and enter diskpart.
3. At the DISKPART> prompt, enter list disk. Note the number of the disk you want to convert.
4. At the DISKPART> prompt, enter select disk <disknumber>
5. At the DISKPART> prompt, enter detail disk <disknumber>
6. For each volume on the disk, at the DISKPART> prompt, enter select volume= <volumenumber> and then enter delete volume.
7. At the DISKPART> prompt, enter select disk <disknumber>
8. At the DISKPART> prompt, enter convert basic.