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Back up all the data on all the volumes on the disk you want to convert to a basic disk.
Log on as Administrator or as a member of the Administrators group.
Click Start, and then click Control Panel.
Click Performance and Maintenance, click Administrative Tools, and then double-click Computer Management.
In the left pane, click Disk Management.
Right-click a volume on the dynamic disk that you want to change to a basic disk, and then click Delete Volume.
Click Yes when you are prompted to delete the volume.
Repeat steps 4 and 5 for each volume on the dynamic disk.
After you have deleted all the volumes on the dynamic disk, right-click the dynamic disk that you want to change to a basic disk, and then click Convert to Basic Disk.
NOTE:You must right-click the gray area that contains the disk title on the left side of the Details pane. For example, right-click Disk 1.