1.Back up all volumes on the disk you want to convert from dynamic to basic.
2.Open a command prompt and type
diskpart
.3.At the DISKPART prompt, type
list disk
. Make note of the disk number you want to convert to basic.4.At the DISKPART prompt, type
select disk <disknumber>
.5.At the DISKPART prompt, type
detail disk <disknumber>
.6.For each volume on the disk, at the DISKPART prompt, type
select volume= <volumenumber>
and then typedelete volume
.7.At the DISKPART prompt, type
select disk <disknumber>
. Specify the disk number of the disk that you want to convert to a basic disk.8.At the DISKPART prompt, type
convert basic
.