Stop EFI partition from USB drive having a letter assigned?


  1. Posts : 161
    Windows 10 x64
       #1

    Stop EFI partition from USB drive having a letter assigned?


    Hello, when i plugin my USB drive which has some EFI partition on it, Windows 10 automatically assign it a letter which is annoying as you guess (can't access, being asked to format, etc..); how do i stop this from happening? Neither in diskpart, neither with 3rd party apps i could prevent that from happening.. ;/
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  2. Caledon Ken's Avatar
    Posts : 20,109
    Windows 10 Pro x64 Version 1909
       #2

    Hi unko.

    Can we ask what you use the EFI partition for?
      My Computer

  3. Berton's Avatar
    Posts : 8,074
    Win10 Home and Pro, Win10 Insider Preview, WinXP Home Premium, Linux Mint, Win7 Pro
       #3

    And what kind of USB drive? Thumb drives generally come formatted as FAT32, USB HDDs can be one of several formats, usually NTFS but my latest 4TB drives are exFAT.
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