My Toshiba Canvio portable hard drive 500GB is not detected

By yantodiaz
Dec 15, 2011
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  1. My Name is Hariyanto and I am from Indonesia.

    My toshiba canvio portable hard drive 500GB is not detected by my Acer Laptop 4750 G. there are three usb ports. two of then are 2.0 and is 3.0 USB.

    The USB 2.0 is not a problem. It can detect and read my external drive.
    But when I change to USB 3.0, the laptop says that I need to format and when I format it the Windows 7 said that windows 7 can not format it.

    I have already installed the renesas usb controller drive. I have tried to uninstalled and reinstalled it but still it didn't work.

    What happen to my USB 3.0 port or my Toshiba external HD.

    I really need your all help, please.
    Thanks a lot

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