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    Only 2 High-Speed USB Ports Work (FZ21Z)...

    Discussion in 'VAIO / Sony' started by UserofFZ21Z, Feb 21, 2010.

  1. UserofFZ21Z

    UserofFZ21Z Notebook Consultant

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    Hi.

    The other day I tried to copy data from one hard drive to another, and a little notice came up saying I would be better using a high speed port. I was cleaning out my closet yesterday, and noticed on my FZ box it says it comes with 3 high speed ports, but only two show in device manager, which are the two on the right side, as the drive I was transferring from was plugged into the one on the left.

    Any ideas how to get my third one working as it should be?
     
    UserofFZ21Z, Feb 21, 2010
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  2. UserofFZ21Z

    UserofFZ21Z Notebook Consultant

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    Anyone have the same issue?
     
    UserofFZ21Z, Feb 22, 2010
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  3. Haroldt

    Haroldt Notebook Enthusiast

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    I have an FZ480 and also have the slow usb port on the left side. I haven't found any thing to help it. I was going to call Sony about it but figured they would not be any help. I use it for a GPS receiver and sometimes audio with a Turtle Beach surround sound box. I discovered the slow port about a year ago.

    Harold
     
    Haroldt, Feb 22, 2010
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  4. ScuderiaConchiglia

    ScuderiaConchiglia NBR Vaio Team Curmudgeon

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    When you said only two show in device manager, what exactly do you see? Can you post a screen shot?

    Gary
     
    ScuderiaConchiglia, Feb 22, 2010
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  5. UserofFZ21Z

    UserofFZ21Z Notebook Consultant

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    Hi, it should show 3 USB2 Enhanced Host Controllers, but only two of them are...
     

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    UserofFZ21Z, Feb 23, 2010
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  6. ScuderiaConchiglia

    ScuderiaConchiglia NBR Vaio Team Curmudgeon

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    My FZ190 shows the exact same configuration. But I don't recall ever getting any sort of warning about using a high speed port when using the left side port.

    Gary
     
    ScuderiaConchiglia, Feb 23, 2010
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  7. UserofFZ21Z

    UserofFZ21Z Notebook Consultant

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    I was transferring data from one external to the other, and a notice popped up saying I would be best using a High-speed port, but as all 3 should be high-speed anyway, I shouldn't have got the notice in the first place.
     
    UserofFZ21Z, Feb 24, 2010
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  8. H.A.L. 9000

    H.A.L. 9000 Occam's Chainsaw

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    I get that sometimes with my flash drives. If it's not an "everytime you plug it in" thing, then it probably was just a bad authentication attempt, and you need to unplug it and reseat the USB connection. Or if your USB ports are dirty, then get a toothbrush and gently brush and blow some of the dust out of the port.
     
    H.A.L. 9000, Feb 24, 2010
    #8