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    USB Not Being Recognised

    So last year I purchased the Grixx USB 2.0 Flash Drive - 128GB from 7dayshop, all of a sudden it has stopped being recognised by everything, it shows up in Disk Management but, it doesnt show its volume. So I can't format it, it is still under a year from purchase and I have email'ed 7dayshop and am waiting for their response. But if I can fix it that would be the ideal option.

    Thanks in advance

    10 Comments

    Try SD card formatter. Very good for resolving sd issues. Link to Windows version below, site also has Mac etc.

    sdcard.org/dow…ws/

    Let me know how you get on.

    Sounds odd but check it has a drive letter assigned to it in disk management, I've had it before where the drive letter unassigned itself resulting in the USB not appearing.

    Original Poster

    momartin

    Sounds odd but check it has a drive letter assigned to it in disk … Sounds odd but check it has a drive letter assigned to it in disk management, I've had it before where the drive letter unassigned itself resulting in the USB not appearing.


    It does have a drive letter, assigned different ones like 3 times

    Original Poster

    bass2655

    Try SD card formatter. Very good for resolving sd issues. Link to Windows … Try SD card formatter. Very good for resolving sd issues. Link to Windows version below, site also has Mac etc. https://www.sdcard.org/downloads/formatter_4/eula_windows/Let me know how you get on.


    The drive doesn't even appear on the program, so cant format it

    You need to use diskpart to format the drive (youtube is your friend), this might solve your problem.

    Edited by: "RiverDragon8" 10th Sep 2016

    Possibly corrupt drivers or faulty USB - if you can't test the USB Storage in another PC then try the following

    On Windows PC - make sure USB storage is not connected
    Open Device Manager click View then select Show hidden devices then scroll to Storage volumes and expand the list
    Find all those drivers for that particular USB storage and right click and uninstall - do this for all that you can find and identify - any with dark icon are already in use so it should be all greyed out (if I remember correctly). When complete - reboot PC then reconnect USB

    Original Poster

    RiverDragon8

    You need to use diskpart to format the drive (youtube is your friend), … You need to use diskpart to format the drive (youtube is your friend), this might solve your problem.


    Didn't work, there are no partitions to show and couldnt creare a partition

    Original Poster

    philphil61

    Possibly corrupt drivers or faulty USB - if you can't test the USB … Possibly corrupt drivers or faulty USB - if you can't test the USB Storage in another PC then try the followingOn Windows PC - make sure USB storage is not connectedOpen Device Manager click View then select Show hidden devices then scroll to Storage volumes and expand the listFind all those drivers for that particular USB storage and right click and uninstall - do this for all that you can find and identify - any with dark icon are already in use so it should be all greyed out (if I remember correctly). When complete - reboot PC then reconnect USB


    Did that still doesn't work, I'm starting to think that the USB is completely gone.

    Rid1

    Didn't work, there are no partitions to show and couldnt creare a … Didn't work, there are no partitions to show and couldnt creare a partition


    cmd (run as admin)

    diskpart
    list disk
    select disk #
    clean
    create partition primary
    active
    select partition 1
    format fs=ntfs or format fs=fat32
    assign
    exit

    Original Poster

    RiverDragon8

    cmd (run as admin)diskpartlist diskselect disk #cleancreate partition … cmd (run as admin)diskpartlist diskselect disk #cleancreate partition primaryactiveselect partition 1format fs=ntfs or format fs=fat32assignexit


    When writing list disk, Disk 2 has no media Size 0B
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