Windows 8 and 8.1 Forums


How to avoid pendrives letters changing?

  1. #1


    Posts : 22
    Win8.1 PRO (64bits)

    How to avoid pendrives letters changing?


    I use two notebooks. One running Win8.1 PRO (64bits), the other Win7 Home Premium (32bits).
    I also have an external HD, and three pen-drives I use with both notebooks, as needed.
    Some programs I use (a password manager, bkups, between many others) save data on these drives, and I need that the drive letters attributed to them DO NOT CHANGE no matter the notebooks they are connected to.
    My problem is that the letters given to these drives keep changing when they are used on the notebooks and the programs can't find the paths to store or retrieve data from.
    How can I make the drive letters to remain the same no matter the notebook they are being used with?
    To choose the drive letters I use the Control Panel "Administrative Tools<>Computer Management<>Disk Management"

    Any help will be welcome.

    Cheers, and a Happy Holiday Season.

    Flores

      My System SpecsSystem Spec

  2. #2


    UK
    Posts : 35
    Windows 8.1 64-bit


    I don't know if this will help but for years I have set my CD/DVD drives to Y: and Z: so that adding drives doesn't muddle it all up. How about setting the letter as Z: and seeing if that helps?
      My System SpecsSystem Spec

  3. #3


    Forever West
    Posts : 591
    WinVista, Win7, Win8.1, Win10, Mac OS X 10.10, Linux Mint 17.1


    This post is also on Windows Secrets.

    Just a note, the last several versions of Windows default to assigning Z: for Networked drives and work back up the alphabet. If having 2 or more computers or a NAS on the network I'd jump in the middle, somewhere around M: or N:.
      My System SpecsSystem Spec

  4. #4


    Drives do not have any letters permanently assigned to them. OS does that. About only thing you can do with your own computers to stick USB memories in same ports all the time.
      My System SpecsSystem Spec

  5. #5


    Posts : 22
    Win8.1 PRO (64bits)


    Hello CountMike,
    have not received an e-mail abou your post.
    Anyway what you wrote does make sense
    Thanks,
    Flores
      My System SpecsSystem Spec

  6. #6


    Philadelphia
    Posts : 214
    Windows 8.1 Pro x64


    I use flash drives across four different computers, and the letters don't change, assuming I don't have other flash drives plugged in. For example, on my work tower, I have two hard drives and a DVD burner. So, any flash drive I plug in gets F assigned to it automatically. It will always be F, unless I have another flash drive plugged in already, in which case G would be assigned. You shouldn't have any issues with letters changing, unless you have a varying number of drives already connected.
      My System SpecsSystem Spec

  7. #7


    Posts : 2,690
    Windows 3.1 > Windows 10


    How is the program run and where is the date stored?

    That's say you have program on usb drive D that you run and you want the program to write readme.txt file to a folder also on D

    You would refer to D\program and the output would be referred to

    %~dp0\folder\readme.txt

    Since the program is run from D the drive letter of D is used by> %~dp0
      My System SpecsSystem Spec

  8. #8


    Posts : 22
    Win8.1 PRO (64bits)


    .....I use flash drives across four different computers, and the letters don't change, assuming I don't have other flash drives plugged in... You shouldn't have any issues with letters changing, unless you have a varying number of drives already connected.
    Hi DeaconFrost,

    My problem is that I have two programs on my HD (one is a bkup program named FileBack, which data is saved to an external HD, the other is Roboform, which saves passwords to a pen-drive).

    If their drive letters change, the programs can't find where to save their data.

    Regards,
    Flores
      My System SpecsSystem Spec

  9. #9


    Posts : 22
    Win8.1 PRO (64bits)


    .....How is the program run and where is the date stored?
    Hello KIHI,

    Please refer to my answer to DeaconFrost (above).

    Thanks a lot.

    Flores
      My System SpecsSystem Spec

  10. #10


    Philadelphia
    Posts : 214
    Windows 8.1 Pro x64


    Quote Originally Posted by amflores View Post
    My problem is that I have two programs on my HD (one is a bkup program named FileBack, which data is saved to an external HD, the other is Roboform, which saves passwords to a pen-drive).

    If their drive letters change, the programs can't find where to save their data.

    Regards,
    Flores
    I get what you are saying. I've used SyncToy with external drives in the past, and if the drive letter was changed, the software wouldn't be able to create a new sync/backup. I'm just saying that your drives shouldn't be getting different letters, unless something is already plugged in and using the letter you want/need to work.
      My System SpecsSystem Spec

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How to avoid pendrives letters changing?
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