How to Change Harddrive Letter (When it is not available)

In Disk Mangement you can change the drive letter for your hard disks and media drives. But if a letter has been given to another drive and that drive is no longer connected you cannot re-use it! This guide shows you how.

Change Drive Letter

This guide is only to be used when disk management in the control panel doesn’t list the letter you need

• Open the start menu and type regedit in to the search box, then open regedit

• Navigate to the following key:

HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices

• For Change DosDevices\D: to DosDevices\E:.
  where D is the old and E is the new drive letter. (You may need to delete the old drive)
  
  DO NOT CHANGE your system drive (usually C:\) This will break your computer. Also BACKUP the registry before any changes

• Now Reboot (No Really)