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Posted on Oct 15, 2009

I have 3 usb ports( two at the back and one on the

I run Windows XP sp3 and I have an intel core duo 2.40 GHz. I have 3 usb ports( two at the back and one on the side ) and three devices: Microsoft webcam, HP printer and a Lexar Firefly 4GB. Most of the time only the webcam is plugged in and not necessarily in use.My usb ports stopped responding two days ago and only recognised my printer.

I read a thread on fixya which advised to disable the USB 2.0-enhanced host controller, by following these steps: 1. Right-click My Computer, and then click Manage. 2. Under Computer Management (Local), click Device Manager. 3. In the Device Manager pane, expand Universal Serial Bus controllers. 4. Right-click the USB 2.0-enhanced host controller, and then click Disable.
I did that and now both usb's at the back work but the side one is still dead. How can I get it to work again?

Also, when I plugged my webcam into the usb port at the back which had been dead but after follwing the above steps, works again, I got a message that it could work faster on another port, which I guess is the one I disabled. But if I enable it, the cam doesn't work at all. What should I do? The Lexar memory stick is still ignored on all usb ports.Thank you.

  • simiko Oct 15, 2009

    The flash drive works on another computer and on my laptop.It's the usb that has developed a problem.Not long ago I had some friends over and I plugged into the side port a mobile and then another flash drive ( Apacer ) whose plug was thinner than the one on Lexar. Could this have caused the problem? I have tried Microsoft's suggestios but nothing has worked.
    Everything was fine until a couple of days ago!

    Also there's another thing that buffles me. My cam won't work unless I disables the USB2 Enhanced controller. And when it does work, it tells me that this device could work faster on a usb2 port and it says that one is available on my pc and it's USB2 2836. How can get round this?
    It's such a gloomy day here in Athens today!The first true Autumn day! Thank you so much for your time. :)

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WadePerkins

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  • Posted on Oct 15, 2009
WadePerkins
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Check to see if something else will work on the side port. It may not necessarily be a dead port. Just something you should know too; I used to work for Wal-Mart in the electronics department and they had to recall all their firefly flash drives because they had a tendancy to malfunction. Try using it on a different computer, it might just be a dead flash drive. I hope this helps your problem and I hope your flash drive didn't have anything too important on it :x

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