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  1. #1
    Silver Lounger
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    Recovering once used drive letters (Ultimate)

    I'm assuming that my experience is typical in regard to what I'm asking? I've occasionally changed drive letters, mostly on USB drives, and noticed that the original drive letter was no longer available after the change. For example, original letter is "G" and it is changed to "N". Going back and looking at the list of available letters, "G" is no longer listed.

    QUESTION: Is it possible to recover those once used drive letters so they can be used again? If yes, how is this done?

    System is a Vista Ultimate 32-bit.
    Jeff
    simul iustus et peccator

  2. #2
    Plutonium Lounger
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    Re: Recovering once used drive letters (Ultimate)

    Hmmm, interesting question. I recently purchased two new USB externals to replace a couple of smaller ones. I did my first time connect while in XP rather than Vista. I had that problem where a previously used drive letter was not available, so I just used another. However, after "completing" the work and closing the drive management app, when I came back in later, the non-used letters were once again available. I assume you've already tried an in-and-out in Vista and it didn't act as my XP experience did, huh?

  3. #3
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    Re: Recovering once used drive letters (Ultimate)

    Al,

    Well, that's a great recommendation and one which I did in fact do; go back and check and thus the question. However, having proven yourself many times here as being a reliable source of good advice, I ignored my previous experience and not finding those "lost" drive letters, and looked again. I randomly chose a drive and went through the steps to change the drive letter and clicking on the dropdown menu I noticed that all the previously 'missing' letters were now displayed.

    Oy vey....... Therefore, it would be prudent for everyone to disregard my question. As Rosanna Anna Danna used to say, "NEVER MIND!" <IMG SRC=http://www.the-highway.com/Smileys/bewildered.gif>

    <IMG SRC=http://www.the-highway.com/Smileys/thankyou4.gif>
    Jeff
    simul iustus et peccator

  4. #4
    Plutonium Lounger
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    Re: Recovering once used drive letters (Ultimate)

    <hr>... it would be prudent for everyone to disregard my question ... <hr>
    Well not really. Someone might benefit from the dialogue. I guess the OS must "cache" the list of available letters and with some exit and re-entry it seems to re-read the used letters.

    Glad it's working and You're Very <IMG SRC=http://www.alhoffman.org/smileys/Greetings/welcomespin.gif>

  5. #5
    Silver Lounger
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    Re: Recovering once used drive letters (Ultimate)

    Is it possible to recover those once used drive letters so they can be used again? If yes, how is this done?

    Run Regedit with full Administrator rights ("Run as Administrator"), navigate to
    <font face="Georgia">HKEY_LOCAL_MACHINESYSTEMMountedDevi ces</font face=georgia>
    and delete binary value with corresponding name, for instance,
    <font face="Georgia">DosDevicesG:</font face=georgia>

  6. #6
    Bronze Lounger
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    Re: Recovering once used drive letters (Ultimate)

    My <post:=739,586>post 739,586</post:> might interest you.

    This is not a small problem and in my case it nearly drove me crazy, chiefly because it was a built-in drive slot (for SD I think). Do not treat it as minor because it was a USB drive, which might be an expendable assignment, because if it hits you with a dedicated drive, as it did in my case, you will definitely want the answer.

    It is a valid question, and I suggest you follow up on all the answers you get. Then you can add to our (and your own) knowledge base as occasion arises.

  7. #7
    Plutonium Lounger
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    Re: Recovering once used drive letters (Ultimate)

    Like Yogi always said: Deja Vu all over again! I seem to be running into your problem and just thought I'd add to this thread for the heck of it. This is NOT a major deal and if I can't work around it, there won't be any big deals. I can always remove the two devices and start over, but it probably won't be necessary. The attached screen clip was made while I'm in XP, but VISTA is where I'm having the problem.

    I have a USB device that has a floppy drive and two card reader slots. You see them in this clip marked with a " 1 " for illustration. Because my new camera uses an SDHC memory stick and this device doesn't deal with that card, I just bought another USB card reader ( <post:=743,919>post 743,919</post:> ) that DOES handle SDHC cards. That new device generates FOUR drive letters, marked with a " 2 " in my screenshot.

    As you can see in the clip, I've used Windows XP to re-letter all the drives to something of my liking, that I can remember, so I know when I use one of the slots what the <img src=/w3timages/censored.gif alt=censored border=0> I'm doing and where the inserted card is located. All is well so far, except that when I try to do this in VISTA, one of the drives in device #1 is greyed out and will NOT allow me to re-assign its drive letter. I've tried using Vista to "remove" the device, re-boot and every other thing I can think of to get the OS to let me assign my choice of drive letter, but so far no luck.

    I'm back in XP as I write, but I think I'm gonna go back to Vista and try Kaplinb's registry suggestion to see if there's anything there that might help. As I said at the beginning, it's an "annoyance" and nothing major.
    Attached Images Attached Images

  8. #8
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    Re: Recovering once used drive letters (Ultimate)

    You might like to check the entire thread from <post:=683,061>post 683,061</post:>. I think that illustrates one difference between XP and Vista that you are going to run into sooner or later.

  9. #9
    Plutonium Lounger
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    Re: Recovering once used drive letters (Ultimate)

    I'm not sure I understand your point. He was talking about removing a card as opposed to removing the device. In my case there is NO card in the reader and no need to remove the device. I just want to change the drive letter. This one specific "drive" of the device has the change drive letter option grayed out. All other "drives" are willing and able to be changed. I think this is a different problem unless I'm not understanding your point...

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