Windows 10: Cannot online volume to format flash drive

Discus and support Cannot online volume to format flash drive in Windows 10 Installation and Upgrade to solve the problem; Hello, I recently burned an ISO onto my flash drive to install Linux onto another PC. Now I'm done and ready to format the drive. It won't show up... Discussion in 'Windows 10 Installation and Upgrade' started by rct2guy, Sep 4, 2017.

  1. rct2guy Win User

    Cannot online volume to format flash drive


    Hello,

    I recently burned an ISO onto my flash drive to install Linux onto another PC. Now I'm done and ready to format the drive. It won't show up in Computer or anything like I that, so I went to Disk Management to see if I could find it and try to format it. In doing so, it created the volume, but failed to format as the volume is offline. I entered DISKPART to try and online the volume, but it simply responds "DiskPart could not online the selected volume."

    Can someone explain to me what's going on or what I'm doing wrong? How do I get my flash drive working again?

    Thanks much!

    :)
     
    rct2guy, Sep 4, 2017
    #1
  2. aakkam22 Win User

    Formatting a flashdrive

    Try deleting the partitions on the drive using Disk Management.

    1. Open your Start menu, type diskmngmt.msc and hit Enter.

    2. Find your flash drive in the visual diagram. Right-click all the partitions of the flash drive and click "Delete Volume".

    WARNING: All data on the flash drive will be permanently deleted when you click Delete Volume. Make sure that this is your intent.

    3. Right-click on the new black, unallocated area of the flash drive and click New Simple Volume. Follow the steps to set up the volume and format it for the first time.

    Let us know if this works for you.
     
    aakkam22, Sep 4, 2017
    #2
  3. DaveM121 Win User
    Install windows from hard drive to another hard drive

    Hi Justin,

    From looking at the disc management Window, can I assume you installed Windows onto Disc 0 (C a 128GB SSD)?

    Your installation does not seem to have gone correctly . . .

    I could expect to see 2 partitions on the drive Windows is installed onto - C Drive and System Volume

    For some unknown reason, your System Volume seems to be on D, which is wrong, it should be on the same drive as Windows and that is why you cannot format that drive . . .

    Honestly, what I would do is:

    Buy an 8GB Flash Drive

    Create Installation media on the Flash Drive

    Remove all drives from your System except the one you are going to install Windows onto

    Install Windows

    Once the installation has completed, turn your system off

    Then put the other 2 drives back into your system

    Start your system again

    You will then be able to format that drive . . .
     
    DaveM121, Sep 4, 2017
    #3
  4. Samuria Win User

    Cannot online volume to format flash drive

    You set the bios to boot usb disable secure boot if you have it then it should boot ok
     
    Samuria, Sep 4, 2017
    #4
  5. Eagle51 Win User
    Hey rct2guy,
    It might just be a drive letter conflict, so try changing the Drive Letter for the Flash Drive in Disk Management.
     
    Eagle51, Sep 4, 2017
    #5
  6. NavyLCDR New Member
    With the flash drive inserted, open a Command Prompt (Admin) or Powershell (Admin). Run:

    diskpart
    list disk
    select disk # <-replace # with the actual number of the flash drive
    clean <- this will erase the disk selected above - make sure it is the flash drive!
    create part pri
    format fs=fat32 quick
    active
    assign
    exit
    exit

    Hopefully that straightens it out.
     
    NavyLCDR, Apr 4, 2018
    #6
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Cannot online volume to format flash drive

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