Windows – Assigning a Drive letter to a hard disk
When connecting a hard disk drive to a computer, Windows will automatically assign a drive letter. However you may need to specifically name a drive to ensure consistency when working with files.
- Click Start
- Right Click “Computer”, then choose Manage
- Expand Storage
- Click Disk Management (wait for the management app to load information about the disks)
- Locate the disk that you want to change the drive letter for.
- Right Click the drive and select “Change Drive Letter and Paths”
- If the disk already has a drive letter assigned, highlight it and then click Remove.
- Click Add, choose Assign the following drive letter (choose one from drop down box)
- Click OK,
- Click OK again,
- The Drive letter will now be assigned.
NOTE: NEVER Change the drive letter of the Operating System C:\ drive
kb3685
Last Reviewed : 12/01/2026
Reviewed on 17/02/2015