1. Joined : Jun 2015
    Posts : 91
    win 7 pro
       20 Oct 2015 #1

    Drive Letters

    When I plug a USB stick in any USB port the laptop allocates the next available letter to this drive - "E" - this applies to any USB stick I normally use.

    EXCEPT for one particular USB stcik which always shows up as "G" even though "E" and "F" are available.

    What's happening here and can I solve it?
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  2. Joined : Oct 2013
    Posts : 17,505
    64-bit Windows 10 Pro build 15014
       20 Oct 2015 #2

    Hello carrotmuseum,

    When you connect a USB to the PC, its hardware ID is referenced to the assigned drive letter for it. This way when you connect it again next time, it'll have the same drive letter.

    If you like, you can use an option in the tutorial below to change the drive letter to what you like instead.

    Drive Letter - Add, Change, or Remove in Windows - Windows 7 Help Forums
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  3. Joined : Jan 2015
    UK, Midlands
    Posts : 6,606
    Win 10 Pro (1607)
       20 Oct 2015 #3

    Hi there is a trick which may be used to ensure a particular USB drive is always allocated the same drive letter when it is plugged in. This is very useful, for example, if you use it as your backup medium, and the backup software 'script' expects it to be present with a particular drive letter. (E.g. Aomei Backupper).

    Here's how to assign a fixed drive letter: (albeit shown in Win 7).
    How to Assign a Static Drive Letter to a USB Drive in Windows 7
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  4. Joined : Oct 2015
    Posts : 63
       20 Oct 2015 #4

    Disk manager, right click on the memory stick drive, and change drive letter.

    It'll remember letters from previous times it's plugged in, so if you've had a phone or camera plugged in at the same time then it'll assign it G, and from then on, that device id will get assigned G.
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  5. Joined : Jun 2015
    Ottawa, Canada
    Posts : 193
    Windows 10 Pro
       20 Oct 2015 #5

    I've found that if you plug something in and assign a drive letter that's high in the list, such as X: or Y: then it keeps that letter for that device as that letter doesn't get overwritten by other devices.
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  6. Joined : May 2016
    Posts : 19
       28 Jul 2016 #6

    Are you really sure, that this should always allocated the same drive letter? I can't confirm this using two external USB drives, plugged in randomly. They get various letters even if I manually set them to a "fixed" letter U:
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  7. Joined : Jan 2015
    UK, Midlands
    Posts : 6,606
    Win 10 Pro (1607)
       30 Jul 2016 #7

    Hi, in that case perhaps you haven't used the trick yet as outlined above:

    Launch Disk Management (Windows key + R, type diskmgmt.msc), right click on the external drive, and change the drive letter e.g. to S.

    Next time you plug that device in it will be assigned S.
    Last edited by dalchina; 30 Jul 2016 at 08:00.
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  8. Joined : May 2016
    Posts : 19
       30 Jul 2016 #8

    @dalchina: Unfortunately this seems not to work in my case. What argument exactly will be used to detect the "same" external USB drive? The label? The serial number? Something else?
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  9. Joined : Jan 2015
    UK, Midlands
    Posts : 6,606
    Win 10 Pro (1607)
       30 Jul 2016 #9

    WTenNewbie said: View Post
    @dalchina: Unfortunately this seems not to work in my case. What argument exactly will be used to detect the "same" external USB drive? The label? The serial number? Something else?
    Hi, that's unfortunate - have you tried a couple of different devices and assigned drive letters not used?
    Your question is answered in Brink's #2 I think.

    There is a freeware program that does this - updated for Win 10- I used it many years ago, tho' you may find it less convenient than the method using Disk Management.

    Download USB Drive Letter Manager (USBDLM) - MajorGeeks
      My System SpecsSystem Spec


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