Windows 10: USB HDD Not Showing Up?

Discus and support USB HDD Not Showing Up? in Windows 10 Drivers and Hardware to solve the problem; Hey guys, I've got 4 external USB HDD's connected to my PC. 3 of them are working fine, however the 4th isn't showing up. It shows up when I right... Discussion in 'Windows 10 Drivers and Hardware' started by NiceAndShy, Mar 5, 2017.

  1. USB HDD Not Showing Up?


    Hey guys, I've got 4 external USB HDD's connected to my PC. 3 of them are working fine, however the 4th isn't showing up.

    It shows up when I right click the USB icon in the bottom right corner of my screen and its name is "My Book" but it doesn't have a drive letter like the other USB HDD's.

    Thank you for any help!

    :)
     
    NiceAndShy, Mar 5, 2017
    #1

  2. additional harddisc drive

    no its a HDD USB it sounds as though its connecting to the computer but doesn't show up in This PC

    Regards

    Keith
     
    keithwindsor, Mar 5, 2017
    #2
  3. Tried to read data from a SATA HD via USB - my windows disk from my previous laptop

    Hi Greg

    I never get the option of de-installing the driver....

    Right clicking the unit and then selecting the DISKDRIVE shows

    "Ext. HDD".

    I click on the hardware Tab and it shows two functions

    Innostor Ext HDD USB Device, type Diskdrive

    USB Storage Unit - Type USB Controller

    Clicking on properties on either of the two and selecting "Driver" only allow me

    Neither of these allow me to any View Driver Details - all other options are not available.

    Both the USB controller and the Diskdrive btw show the "mismatch error".

    Br

    Lars
     
    Lars Brunsgaard, Mar 5, 2017
    #3
  4. Samuria Win User

    USB HDD Not Showing Up?

    Go-to disk Management and give it a drive letter it should then show up
     
    Samuria, Mar 5, 2017
    #4
  5. spunk Win User
    To add to what Samuria is saying, go to Start/Search and type diskmgmt.msc, Right click the diskmgmt results and Run As Administrator. In the Elevated Disk Management window, in the lower pane, find your My Book external HDD, Right click it and choose Change Drive Letter or Paths. Choose a drive letter not being used.
     
    spunk, Mar 6, 2017
    #5
  6. I had to put this USB hard drive away, but I'm going to try your idea now.

    By the way, if your idea doesn't work what else can I try?

    Thanks!
     
    NiceAndShy, Oct 30, 2017
    #6
  7. I'm still unable to access this USB HDD.

    Does anyone have another idea?

    Thanks!

    EDIT:

    The USB HDD is plugged in, but it's not showing up in Disk Management...?
     
    NiceAndShy, Oct 30, 2017
    #7
  8. Samuria Win User

    USB HDD Not Showing Up?

    You have to eliminate the usb, usbcable and usb interface and put it in the pc if that doesnt see it in the bios its dead
     
    Samuria, Oct 31, 2017
    #8
  9. jumanji Win User
    Have you checked it on another working PC?
     
    jumanji, Oct 31, 2017
    #9
  10. Steve C Win User
    Try this

    • Open an admin Command Prompt window
    • Enter DISKPART
    • Enter AUTOMOUNT ENABLE
    • Enter EXIT

    The reboot, reconnect the drive and see if it is recognised.
     
    Steve C, Oct 31, 2017
    #10
  11. Okay thanks, but could you explain what this will do and how it works?
     
    NiceAndShy, Nov 13, 2017
    #11
  12. jumanji Win User
    automount Command : Enables or disables the automount feature. When enabled (the default), Windows automatically mounts the file system for a new basic or dynamic volume when it is added to the system, and then assigns a drive letter to the volume.

    As it says, by default automount is enabled in Windows.

    When none of your USB storage devices ( external HDDs, Flash drives) show up in Windows Disk Management (this can happen sometimes) , then we recommend to check whether automount got disabled - somehow. If disabled you have to enable it.

    ( If only one of your external storage device does not show up but others show up with drive letters, there is no need to check automount. That means there is a problem with that storage device. Just to confirm I wanted you to check it on another PC.)

    Actually Steve C should have recommended this:

    Start > All Programs > Accessories > Right click on Command Prompt and Run as administrator.
    Then
    diskpart [ENTER]
    Against the DISKPART prompt
    automount [ENTER]
    Does it say "automatic mounting of new volumes disabled " ? Then
    automount enable [ENTER]
    "automatic mounting of new volumes enabled"
    Close Command Window.
    If "automount" command says ""automatic mounting of new volumes enabled" then there is no need to give the "automount enable" command.

    Since you said that three of your external drives are working fine, the above exercise is redundant , but no harm. Sometimes redundancy does help.

    For more insight see this thread where it helped the OP: New Drives Plugged in New Notebook Need to Have Drive Letter Assigned https://www.sevenforums.com/hardware...-assigned.html
     
    jumanji, Nov 13, 2017
    #12
  13. Steve C Win User

    USB HDD Not Showing Up?

    I don't agree. I once had one external drive not appearing and automount enable fixed the problem.
     
    Steve C, Nov 13, 2017
    #13
  14. jumanji Win User
    You may disagree, it is your pleasure.

    Automount is a generic command. It either enables mounting of all USB storage devices or disables mounting of all USB storage devices

    There is no way one can mount enable or mount disable a specific USB storage device.

    https://technet.microsoft.com/en-us/...(v=ws.11).aspx

    "I once had one external drive not appearing and automount enable fixed the problem." I don't believe it. It is my pleasure *Smile.
     
    jumanji, Apr 5, 2018
    #14
Thema:

USB HDD Not Showing Up?

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