Win10 corrupts USB drive  

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  1. Posts : 14
    Windows 10
       #1

    Win10 corrupts USB drive


    So I have a computer to which I am transferring data via thumb drive, And up till last week everything was working fine. But now it randomly throws and an I/O device error and says that the drive is unreadable. If I elect it and try again or restart the computer (since that is supposed to fix a lot of things) then it tells me that it needs to be formatted. If I look at it in disk management, it shows up as being formatted as RAW.

    Somewhere I read that disabling fast start should help with this kind of thing, but I really need something that weíll definitely work, because part of my job involves this data transfer.
      My Computer


  2. Posts : 13,175
    Win10 Version 21H2 Pro and Home, Win11 Pro and Home
       #2

    Unfortunately when a drive shows the RAW formatting it needs reformatting, factory is usually as FAT32. There can be several causes for a drive to lose its formatting such as static electricity [sometimes not felt] or frequently premature/incorrect removal from the port will do it [can't hurry Windows finishing writing to it].

    Windows has a limit of 32GB for FAT32 but Linux with the GPARTED program and the GPARTED LiveCD [bootable] itself can do better, have formatted an HDD as large as 250GB as FAT32 and Windows can still read it.
      My Computers


  3. Posts : 14
    Windows 10
    Thread Starter
       #3

    This drive is formatted as FAT32, and Windows successfully formats it at 232GB. The strange thing is it reads it for a while then stops, even after the drive was left plugged in over night or over the weekend, i.e. not incorrectly removed.

    - - - Updated - - -

    Sorry itís exFAT not FAT32
      My Computer


  4. Posts : 5,690
    Windows 7 HP - Windows 10 Pro - Lubuntu
       #4

    What is the nominal size of the thumb drive? 256G?
    Where did you buy it, on ebay?

    Have seen many fake or defective thumb drives. Did you ever test it to see if it's reliable?
    Use h2testw to test it. (it's in German but you can set to English)
      My Computers


  5. Posts : 14
    Windows 10
    Thread Starter
       #5

    Yes both of these are 256G nominal capacity but no Iíll not sure where the boss got them.
    But Iím quite sure itís a computer issue not defective drives, since they both worked perfectly for months, then one failed one day and the other the next. Also, if I format them they work again until they get corrupted again a few days later.

    - - - Updated - - -

    Perhaps I can try h2testw this evening.
      My Computer


  6. Posts : 7,724
    3-Win-7Prox64 3-Win10Prox64 3-LinuxMint20.2
       #6

    Hi,
    Sometimes you get what you pay for and sometimes you don't
    Some devices go bad sooner than bread molds
      My Computers


  7. Posts : 1,621
    Windows 10 Home
       #7

    I recommend carrying a twin set; every copy and paste operation gets put on both USB devices. That way, if one goes down, probably the other one will still work. If one goes totally bad, another twin is called into service. :)
      My Computer


  8. Posts : 14
    Windows 10
    Thread Starter
       #8

    I appreciate the replies. But I need to know how to prevent this in the future, as it is obviously not a case of failing flash drives. Both were corrupted within 24 hours of each other, but both worked perfectly fine again after being reformatted.

    Unfortunately, it isnít as simple as copy and paste, since... well itís a complex situation. So a duplicate isnít really the solution either.

    Is there a way to prevent the same story from happening again?
      My Computer


  9. Posts : 7,724
    3-Win-7Prox64 3-Win10Prox64 3-LinuxMint20.2
       #9

    Hi,
    Don't buy over sized pin devices.
      My Computers


  10. Posts : 5,690
    Windows 7 HP - Windows 10 Pro - Lubuntu
       #10

    I've seen a Kingston 64G that was showing everywhere in Windows (Explorer and disk manager) as a 64G.
    When I tested with h2testw it is a 4G not 64G. And it worked well for the fist 4G. After the 4G it is empty.

    Test it with h2testw. As it writes and afterwords it reads, it takes a long time. First test 32G. I would say it will fail before that.
      My Computers


 

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