Windows 10: External HDD not showing up in disk management

Discus and support External HDD not showing up in disk management in Windows 10 Ask Insider to solve the problem; My 1TB external Seagate HDD is being detected in device manger, but I cannot see it on disk management. When I connect it, it beeps 5 times, no matter... Discussion in 'Windows 10 Ask Insider' started by /u/vininhosts, Feb 9, 2021.

  1. External HDD not showing up in disk management


    My 1TB external Seagate HDD is being detected in device manger, but I cannot see it on disk management. When I connect it, it beeps 5 times, no matter which port I use

    submitted by /u/vininhosts
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    :)
     
    /u/vininhosts, Feb 9, 2021
    #1
  2. seejp Win User

    external hard drive showing up in device management but not disk management

    Hi,

    I recently tried to use a brand new Seagate 2TB External HD, but it is not showing up. It initially showed up, but after I tried reformatting it to exFAT32, it disappeared from the disk management list.

    I then tried:

    • refreshing the disk management list,
    • inserting into a different USB port,
    • re-starting my computer, and
    • uninstalling the device from device manager/letting it refresh,

    I still can't see it. There is no yellow error in the USB controller list.

    I'm on Windows 10.

    Intel i5-3317U @ 1.7GHz

    Any suggestions? Thanks!
     
    seejp, Feb 9, 2021
    #2
  3. HDD in a HDD caddy is not showing up in the disk management

    Hi,

    To assist you better, I would like to ask some questions:

    • How are you connecting the HDD Caddy?
    • What is the make and model of your computer?

    If you are connecting the device using USB, I suggest you to check if other USB devices are recognized as USB devices or Other device. If it is displaying as other device, then the issue might be with the USB port. So, I suggest you to update the USB drivers
    by following the steps below:

    • Press Windows key + X, select Device Manager.
    • Expand Universal Serial Bus Controller.
    • Right click on the drive, select Update Driver Software and follow the on-screen prompts.

    Keep us posted on the status for further assistance.
     
    Eeshwar Kumar, Feb 9, 2021
    #3
  4. MS-Eric Win User

    External HDD not showing up in disk management

    File Explorer show different size for external HDD than does Disk Management

    Disk management shows external L drive with 931.32 GB, but when I look at it in File Explorer, it only shows 453 GB.

    The disk previously had three partitions (Mac, Linux and Windows). I used parted in Linux to delete the two non-NTFS partitions and expand the NTFS partition to the entire HDD.. So Disk Management show this result but I'm not seeing it in File Mgr or when
    I choose that partition in Acronis.

    I thought maybe the old partition data was stuck somewhere in Win memory, but I stopped the computer, removed the external HDD, restarted the computer, plugged the external HDD in, and am getting the same results.

    I'm running a fresh upgrade from Win 7 to Win 10, and most everything else seems to be going well.
     
    MS-Eric, Feb 9, 2021
    #4
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External HDD not showing up in disk management

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