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    external hdd`s loosing drive letters and not showing up as being connected.

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by Tinderbox (UK), Feb 23, 2010.

  1. Tinderbox (UK)

    Tinderbox (UK) BAKED BEAN KING

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    For over a week i have had this problem , I have a buffalo 1tb 3.5 , and a WD 500gb 2.5 for usb 2.0 , in windows 7 x64

    When i plug the drives in the usb port i hear the connection bong , but no drive shows up in computer , but in disk management it is there it just does not nave a drive letter.

    I can add a drive letter and then the drive works fine, I can even unplug it and re-connect and it works, but for some reason it will suddenly just stop being recognized.

    I have 2x 8gb usb flash drives and they work fine, the problem is only affecting my external hdd`s

    I have tried uninstalling the usb controllers in device manger , but it does not help.

    If i plug a non-responding drive into my destop it is detected fine, so it looks like a software problem.

    A have done full virus and spyware scans and have found nothing.

    What is going on?

    Thanks for any help.
     
    Tinderbox (UK), Feb 23, 2010
    #1