Assign, change, or remove a drive letter

Using a command line

1. Open Command Prompt.
   
2. Type:
   
   diskpart
   
3. At the DISKPART prompt, type:
   
   list volume
   
   Make note of the number of the simple volume whose drive letter you want to assign, change, or remove.
   
4. At the DISKPART prompt, type:
   
   select volume n
   
   Select the volume, where n is the volume's number, whose drive letter you want to assign, change, or remove.
   
5. At the DISKPART prompt, type one of the following:
   
   • assign letter=L
     
     Where L is the drive letter you want to assign or change.
     
   • remove letter=L
     
     Where L is the drive letter you want to remove.