Change drive letter for a drive in Windows Vista

When you attach a new hard disk to your computer, Windows recognizes it upon boot and assigns it an available letter. If you do not like the assigned letter, then you can always change it. Here is how :

  1. Close all the documents and programs. Changing the drive letter while documents are open on the target drive may cause unexpected results.
  2. Press the keyboard combination Windows logo key + R to open the Run dialog.
  3. Type compmgmt.msc in the Run dialog and press the Enter key.

  4. In the Computer Management window, select the Storage → Disk Management.
  5. You will see all the partitions (volumes) listed and their types. Right-click on a drive (or partition), drive letter of which you want to change and select Change Drive Letter and Paths as shown,

  6. In the next window, click on the Change button to proceed.

  7. In the next window, select a new drive letter from the dropdown list. Then click on the OK button.

  8. Windows will show a confirmation dialog, click Yes to continue.

  9. That’s it. You have successfully changed the drive letter for the selected drive (or partition or volume).

Caution : Never change the drive letter for the partition on which Windows is installed. If you are accessing data on a partition, then first close all the documents and programs before trying to change the drive letter of that partition.