can't see external usb drive in Computer

Posted on 2014-08-31
Last Modified: 2014-09-17
Hi, I have an external USB hard disk plugs to a server which runs 2008R2.

I can see the drive in the Disk Management, but can't see it in Computer. I was able to see it after plugging in for a while. However, it disappeared later on, but still listed in Disk Management.  Any idea? Thanks
Question by:tonitoni99
    LVL 5

    Expert Comment

    Check whether the drive letter is assigned to the external USB hard.

    If not assigned a letter to the USB drive and check the my computer for listing..
    LVL 91

    Expert Comment

    and be sure the disk has its own power supply; if not, that can cause the disappearing
    if it has no power - use a POWERED usb hub, like this :  (top 10 listed) :
    LVL 23

    Accepted Solution

    Consider removing the hd from the caddy and inserting it directly into your PC in a spare sata location.
    If it works, then your hd caddy is at fault.

    Try this great little free utility

    I use it on XP & Win7 (have not tested it on Win8) with this type of device ...
    I have a stack of bare drives that I can insert and remove very quickly .... great for archiving!
    A useful trick with defective USB devices is to reboot, go into "Device Manager" and remove any defective USB listings (yellow triangle) and plug in your USB device again.

    Expert Comment

    Checkout the link below.I hope you will get the solution:

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