Question about Toshiba Satellite L300-EZ1004V Notebook

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Suddenly I am getting an error bubble at the bottom of my screen that the usb device is not reconized, seems that when I click on the bubble at the bottom of the screen it is saying it is Unknown USB device in bold under the Root Hub ports. Any suggestions? I really do not want to buy a new computer. Thanks!

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  • Fahed Mahmoud May 24, 2011

    do you only have one usb port and does the problem appear when you use all of them, try updating your drivers for the USB ports

  • Alan Matzke May 24, 2011

    what is it that you are using in the usb port, it may need a driver for what you are trying to use there. please clarify it more in detail.

  • tina195 May 24, 2011

    everything was working just fine yesterday and then I plugged in my ipod shuffle into one of the two ports on the side of the laptop it has 3 ports 2 on one side one on the other. the message popped up and now my mouse will not work in the port on the left side. today i tried to uninstall all of the usb drivers and rebooted the pc and it came back, when I click on the error message lower right side of the screen it pops up under the Root ports so I uninstalled all of them rebooted and now the right port works with my external drive but the error comes back and I am not sure what device it is having a problem with. My IT guy said that I either have to buy a new Laptop or buy a PCMIA card and turn off the other usb ports that are having issues to get me by. :( thanks for your postings!

  • tina195 May 24, 2011

    the drivers are already installed it was working fine and then this. so without it telling what device it is having a difficult time with I do not know what driver to install. :)

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You need to install a driver for the device.

Posted on May 24, 2011

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