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Drive Letter - Add, Change, or Remove

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    Drive Letter - Add, Change, or Remove
    How to Add, Change, or Remove a Drive Letter in Vista
    Published by Brink is online now
    18 Dec 2007
    Drive Letter - Add, Change, or Remove

    How to Add, Change, or Remove a Drive Letter in Vista


    information   Information
    This will allow you to either add, change, or remove (hide) a drive letter to organize them how you like.

    You must be logged in as an administrator to be able to do the steps in this tutorial.


    Note   Note

    • You can assign the letters D to Z to each drive on your computer. A and B are usually reserved for floppy disk drives, but if your computer does not have floppy disk drives, you can assign A and B to volumes. C is reserved for the drive Vista is installed on. You can see which drive letters are used on your computer by clicking on Computer in the Start menu.
    • If you want to have all drive letters set to show or be removed from being displayed instead, then see: How to Show or Remove Drive Letters from Displaying in Vista
    • If you dual boot, or with multiple operating systems, the OS that you boot to will always show as the C: drive in Computer. You will need to look in Disk Management to see how the true drive letters are partitions are positioned on the drive.
    warning   Warning
    Many MS‑DOS and Vista programs make references to specific drive letters in the registry. If you change a drive letter, some programs that you have already installed on that hard drive letter might not work correctly anymore. It is best to do this on a new drive or partition before installing anything on it.




    OPTION ONE

    Through Disk Management

    1. Open the Control Panel. (Classic View)
    A) Click on the Administrative Tools icon.

    B) Click on Computer Management.
    NOTE: If the Computer Management shortcut is not here, then you can navigate to C:\Windows\System32\compmgmt.msc and click on the compmgmt.msc instead.
    2. Click on Continue in the UAC prompt.

    3. In the left pane, click on Disk Management under Storage. (See screenshot below step 4)

    4. Right-click on the partition or drive that you want to change, and click on Change Drive Letter and Paths. (See screenshot below)
    Drive Letter - Add, Change, or Remove-disk_management.jpg
    5. To Change a Drive Letter
    NOTE: You cannot change a drive letter if the drive is either a system partition or a boot partition, like the partition that Vista is installed on. If you get an error, the partition or drive you are trying to change might be in use. Close any program or window that is using the partition or drive and try again.
    A) Select the drive letter, and click on the Change button. (See screenshot above)
    NOTE: If you are dual booting (Ex: Vista and Windows 7) and you want to change the drive letter for the Vista partition so you can see it in Windows 7, then click on the Add button if this screenshot below is empty.
    Drive Letter - Add, Change, or Remove-change_drive.jpg
    B) Select (dot) Assign the following drive letter. (See screenshot below)

    C) Select a drive letter that you want that is not already being used and click on OK.
    Drive Letter - Add, Change, or Remove-change.jpg
    D) Click on Yes to confirm the drive letter change. (See screenshot below)
    Drive Letter - Add, Change, or Remove-confirm_change.jpg
    E) Go to step 8.
    6. To Add a Drive Letter
    NOTE: This is to assign a drive letter if one has been removed or not already assigned to the drive or partition.
    A) Click on the Add button. (See screenshot below)
    Drive Letter - Add, Change, or Remove-add.jpg
    B) Do the same steps in step 5A to 5C above.

    C) Go to step 8.
    7. To Remove a Drive Letter
    NOTE: This will only remove the drive letter and not the partition or drive. This can be useful if you are getting a low disk space warning for this drive letter.
    A) Click on the Remove button. (See screenshot below step 5)
    Click image for larger version. 

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    B) Click on Yes to confirm. (See screenshot below)

    C) Click on OK to close window. (See screenshot below step 5)
    Drive Letter - Add, Change, or Remove-remove.jpg
    8. Close the Computer Management window.

    9. Click on Computer in the Start Menu to confirm the changes.



    OPTION TWO

    Manually in Registry Editor

    1. Open the Start Menu, then type regedit in the search box and press enter.

    2. If prompted by UAC, then click on Yes.

    3. In regedit, navigate to the location below.
    HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices

    4. To Change a Drive Letter
    WARNING: Do not change the C: drive letter.
    A) Right click on a listed /DosDevices\(drive letter) (Ex: /DosDevices\D: ) that you want to change the drive letter of, then click on Rename.

    B) Rename it with a drive letter that you want to use, and is not already listed here, and press enter.
    For Example: If I wanted to change it from D: to K: , then I would rename it to /DosDevices\K: instead.
    5. To Remove a Drive Letter
    WARNING: Do not remove the C: drive letter.
    A) Right click on a listed /DosDevices\(drive letter) (Ex: /DosDevices\D: ) that you want to remove the drive letter of, then click on Delete.

    B) Click on Yes to confirm the deletion.
    6. Close regedit.

    7. Log off and log on, or restart the computer to apply the changes.
    That's it,
    Shawn







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    Applies to

    All Vista Versions
    64 Bit & 32 Bit


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  3. #1



    Newbie
    Join Date : Sep 2008
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    Re: Drive Letter - Add, Change, or Remove

    'The operation failed to complete because the Disk Managment console view is not up-to-date. Reafresh the view using the refresh task. If the problem persists close the Disk Managment console, then restart Disk Managment or restart the computer.
    This issue has been resolved. Thanks

    http://www.pronetworks.org/forums/ca...t-t112722.html

    Last edited by davis; 29 Jan 2010 at 04:55 PM. Reason: Resolved
      My System SpecsSystem Spec

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  5. #2



    Member
    Join Date : Aug 2009
    Posts : 13
    Vista Home Premium 64bit (build 6002:Service Pack 2)
    Local Time: 09:11 PM


     

    Re: Drive Letter - Add, Change, or Remove

    What if the letter you want to change it to is not there in the drop down? I am not sure what even changed it but it went from K to M and now the K is not in the drop down.
    GRRRRRRRR..
    Please help .

    I have C and D
    (HP normal Main drive and restore stuff on the d)
    and I have A Dvd E
    I J K And L are all sd card reader,sd/mmc compact flash and picture usb and my two external HD moved to M and N
    I want my M back on K where it was...and the N back to L
    But following these instructions it wont work as there is not a K or L even though nothing is on them?

    thanks

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  6. #3
    Brink's Avatar

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      Thread Starter

    Re: Drive Letter - Add, Change, or Remove

    Hello TheBat, and welcome to Vista Forums.

    I will look into this for you and try to post back something for you later tonight on this.

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  7. #4



    Member
    Join Date : Aug 2009
    Posts : 13
    Vista Home Premium 64bit (build 6002:Service Pack 2)
    Local Time: 09:11 PM


     

    Re: Drive Letter - Add, Change, or Remove

    THANKS SO MUCH..
    I really appreciate this...

    I am moving to Texas in Aug...


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  8. #5
    Brink's Avatar

    Administrator


    Join Date : Apr 2007
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    usa us texas

      Thread Starter

    Re: Drive Letter - Add, Change, or Remove

    Ah, that's great. If you don't mind the Texas heat in the summer, it's a great place to live. What part of Texas if I may ask?





    Now for you issue. This will replace the K letter for the removable device with another letter to be used for it instead, and allow you to be able to select it again in the tutorial above.
    • Go to the registry location below.
      • HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices
    • Right click on /DosDevices\K:, then click on Rename.
    • Change the drive letter (in the example is K) for this entry to a unused drive letter that isn't listed here, then press Enter.
      • For example: /DosDevices\Z:
    • You can now repeat this to change your /DosDevices\M: entry back to it's original /DosDevices\K:
    • Repeat this for your L and N drive letters as well to change it back.
    • Close regedit, and restart the computer.

    Drive Letter - Add, Change, or Remove-reg1.jpg
    Hope this helps,
    Shawn

      My System SpecsSystem Spec

  9. #6



    Member
    Join Date : Aug 2009
    Posts : 13
    Vista Home Premium 64bit (build 6002:Service Pack 2)
    Local Time: 09:11 PM


     

    Re: Drive Letter - Add, Change, or Remove

    YEAH thanks so much for this help.
    Is so much appreciated.
    I had found the infromation but some reason I did not get it.. your explanation of it and I got it fine.
    WHEW.. glad that is done.

    Thanks again..

    I have another issue since you were so great on that but will take me a while to type it up...LOL and need to figure out the correct palce to post it..

    I tried to send you a private message but I am guessing I did not have enough posts to do so is that correct?

    Any way thanks again..

    Houston .. are you close to that?

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  10. #7
    Brink's Avatar

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      Thread Starter

    Re: Drive Letter - Add, Change, or Remove

    That's great news. I'm happy to hear that you got that sorted.

    I'm about 5 hours due north of you.

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  11. #8



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    Join Date : Apr 2012
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    Re: Drive Letter - Add, Change, or Remove

    hi! another newbie, ok here's my problem. As you probably know with HP C: is the prime and D: is usually recovery and CD would be E: I tried doing a complete back up of files becauase i never did and afterwards my D is now E and D became the dvd drive. Also what has happened is that i am now not getting any System restore points on C: ive tried many times to create a manual but when i check again its gone. In the system protection box the E recovery keeps showing that i have a restore point, but if i try to restore the SR tells me i have no restore points. Ive been looking high and low with no avail. I must say of all the places i searched for help this site and you Brink seem to be the only good help available. So thanks in advance if you can help me.

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  12. #9
    Brink's Avatar

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    Join Date : Apr 2007
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      Thread Starter

    Re: Drive Letter - Add, Change, or Remove

    Hello Denise, and welcome to Vista Forums.

    You could try changing their drive letters back to how they were originally to see if that may help. You could say change D to Z to free up D, change E back to D, then change Z back to E.

    Afterwads, check in System Protection to see what drive letters you have turned on for restore points. Normally, it is just turned on for the Windows drive letter by default.

    System Restore

    Hope this helps,
    Shawn

      My System SpecsSystem Spec

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