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  1. #1
    USB hard disk spontaneously dismounts.

    Member Since
    Jan 09, 2007
    Posts
    178
    USB hard disk spontaneously dismounts.
    I have an HFS+ formatted external USB drive for my Macbook. Now sometimes is spontaneously unmounts when I am using it. It has happened when I was watching a movie from it, which I rarely do. Usually it happens when I click on a folder in the drive. Also when I am copying a folder to the drive. Sometimes I can copy fine. Sometimes it just unmounts itself midway through the process.

    What could be the cause if this problem?
    I know that the power adaptor for it was a bit faulty. Recently the drive made a humming in my speakers when I plugged it in. I tried that power adaptor with another drive, and the same buzzing happened, and conversely the used a different adaptor with the first drive and there was no buzzing. So I guess the adaptor is faulty.

    Could it be that the adaptor damaged the drive? Or could that be a coincidence? Any advice? because, I bought the drive and the case separately. I was going to return the case (with adaptor) only, but if the drive fault is caused by the adaptor, I want to return the drive too.

    Thank you
    Justin
    Using brand new macbook

  2. #2
    USB hard disk spontaneously dismounts.

    Member Since
    Jan 09, 2007
    Posts
    178
    Well, no-one has answered yet. Could anyone perhaps just mention if they have ever had this problem occur?
    Thank you
    Justin
    Using brand new macbook

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