Windows 8 and 8.1 Forums


I need to to format exFAT USB flash drive to NTFS/FAT32

  1. #1


    Brazil
    Posts : 32
    Windows 8.1

    I need to format exFAT USB flash drive to NTFS/FAT32


    It is a 64 GB Toshiba USB drive (TNU). Problem is that every time I try to format to NTFS the normal way with Windows 7 or Windows 8 I get the message: Windows was unable to complete the format.

    I tried to format it using the specific software from the drive manufacturer, TNA.

    A friend managed to format it to FAT32, but the next time I tried to access the drive Windows showed a message saying that I needed to format the drive to use it. Then there appeared only the exFAT option.

    I also tried some partition software, like AOMEI Partition Assistant Standard Edition, and it could format to both FAT32 and NTFS, but when I removed and put the USB drive back Windows again warned me about the need to format and again I had only the exFAT option left.

    Please, help me with that, it's driving me crazy!

    TIA.
    Last edited by Paultx; 03 Jan 2014 at 15:37.

      My System SpecsSystem Spec

  2. #2


    It's possible that the thumb drive itself is defective.
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  3. #3


    Posts : 22,565
    64-bit Windows 10


    Hello Paul,

    You might see how running the Clean (not clean all) command on the USB flash drive to wipe it, and create a new primary partition on it afterwards may work.

    Disk - Clean and Clean All with Diskpart Command - Windows 7 Help Forums

    Hope this helps.
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  4. #4


    Brazil
    Posts : 32
    Windows 8.1


    Brink, I did what you suggested but got this message:

    DiskPart has encountered an error: Access is denied.
    See the System Event Log for more information.
    Please, what do I have to look after in the System Event Log in this case?
      My System SpecsSystem Spec

  5. #5


    Posts : 22,565
    64-bit Windows 10


    Looking at the USB's specs again, it shows this "Supports Toshiba exclusive security software EX II Pad Locker".

    If you had used that program to lock the USB, then you may need to use the format feature in that program instead to do so.

    Download for "EX II Pad Locker" (Download) | TOSHIBA Pocket Media
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  6. #6


    Brazil
    Posts : 32
    Windows 8.1


    Brink, the EX II Pad Locker comes with the USB3.0 TransMemory-EX™ thumb drive. The one I have is the USB2.0 TransMemory™ (64GB).
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  7. #7


    Posts : 22,565
    64-bit Windows 10


    Ah, ok.

    When you tried the diskpart -> clean command, did you do it in an elevated command prompt (right click -> Run as administrator)?
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  8. #8


    Brazil
    Posts : 32
    Windows 8.1


    Yes.
      My System SpecsSystem Spec

  9. #9


    Posts : 22,565
    64-bit Windows 10


    It sounds like the USB may have some sort of write protection.

    You might go ahead and download the "EX II Pad Locker" program to see if you may still be able to use the format feature on your USB.
      My System SpecsSystem Spec

  10. #10


    Brazil
    Posts : 32
    Windows 8.1


    Quote Originally Posted by Brink View Post
    It sounds like the USB may have some sort of write protection.

    You might go ahead and download the "EX II Pad Locker" program to see if you may still be able to use the format feature on your USB.
    EX II Pad Locker doesn't recognize the device.

    Click image for larger version
      My System SpecsSystem Spec

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