How to Open Disk Management Using a Command
Just by typing a short command and Disk Management starts immediately. This is a quick way to open the Disk Management utility instantly in Windows.
In Windows 8, Windows 7, Windows XP press the windows key plus R on your keyboard to open the Run window.
There type the following in the text box: diskmgmt.msc
then press the Enter key or click the OK button.
Disk Management will open immediately.