All Flash Drives & External Hard Drives NOT ACCESSIBLE?

  1. Posts : 6

    All Flash Drives & External Hard Drives NOT ACCESSIBLE?

    I set up a new computer. Windows 7 Pro 64x
    Everything was fine but then I connected a flash drive to it and I get:

    Location Not Available
    H:\ is not accessible. Access is denied

    If I go into the properties to the “security” tab, it says “you do not have permission to view or edit this object’s permission settings”

    If I go into the “owner” tab of Advanced Security Settings, current owner says “Unable to display current owner”

    This is on every flash drive and portable hard drive on all 4 usb ports.
    I am logged in as the administrator and there is not even another user account on the computer
    I’ve run sfc /scannow

    I’m absolutely stumped. I’ve never had this happen on any computer where I couldn’t use an external device.

    This is not my computer so I’ll have to do whatever remotely.

    Thank you for the help.
      My Computer

  2. Posts : 1,519
    Windows 7 Ultimate 64-bit, Windows 8.1 64-bit, Mac OS X 10.10, Linux Mint 17, Windows 10 Pro TP

    Sometimes when I plug in a USB Thumb/Flash drive I get a message about "this device can perform faster if plugged into a USB 2 port" so I shut the computer down and pull the power cord and USB devices from the back of it. After waiting a bit I put everything back and all is good.
      My Computer

  3. Posts : 6
    Thread Starter

    This is all the time on 2.0 and 3.0 usb and several flash drives and external hdd
      My Computer

  4. Posts : 7,054
    Windows 7 Home Premium 32 bit

    Check whether this helps.

    Start > All Programs > Accessories > Right click on Command Prompt and Run as administrator.
    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.

    Now connect your external drives and check.
      My Computer

  5. Posts : 7,054
    Windows 7 Home Premium 32 bit

    What happened when you gave this a "whirl" You do not have permission to view this object's security - Microsoft Community?

    Was there a deleted or unknown user? Just curious.
      My Computer


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