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.
In the lower-right pane, right-click the basic disk that
you want to convert, and then click Convert to Dynamic
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 0.
Select the check box that is next to the disk that you
want to convert (if it is not already selected), and then
click OK.
Click Details if you want to view the list of volumes in
the disk.
Click Convert.
Click Yes when you are prompted to convert, and then click
OK.
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