Mount or Unmount Drives

                 Sometimes we have to face these kind of problems too. Suddenly your hard drives may be unmounted. Then you can't see that drive or open drive. Beacause that drive has no drive letter anymore. If you want to get back that drive again you have to assign a drive letter for that volume.To do that you can use diskpart. Diskpart looks likes CMD.

How to open Diskpart

Win key + R --> Type diskpart --> Enter

Open CMD --> Type diskpart --> Enter

Steps :

First get the list of all volumes.

Type list volume then press enter key.

Imaging that your D drive is unmounted. How can you mount that drive again? Do this,

Get the list of volumes first. Then,

Select the volume and assign a letter for the volume.

Steps :

list volume --> Enter

select volume 2 --> Enter

assign letter d

After selecting a volume you can is that really selected by typing list volume command. If it's the selected volume there will be a * Mark before name.

      Then assign a letter. You can assign any letter between A-Z

Now you can see D drive is visible now. to check that type list volume command again.

How to Remove a Letter(Unmount Drives)

Unmounting is also easy.

First select the volume.

Imaging that you need to remove volume 2 e letter.

Then select volume 3 --> Enter

remove letter d --> Enter

Now D drive will be unmounted quick an easy.

You can assign a letter for that volume if you want, After that type list volume code to check.

That's All..