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Thread: usb device not recognized

  1. #1
    Spicker's Avatar AKA jaigandhi5 BT Rep: +7BT Rep +7
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    Arrow

    hey guys hows it going...

    im in bit of a pickle here, i built a computer for a friend and i think i fried the usb controller on the motherboard i was trying to plug the front usb connectors in and i think i plugged it wrong (because there was no power) so i went back in and plugged it in properly.

    but now when i try plugging in ANY usb device in to any of the ports i get "usb device not recognized" error btw i unplugged the front usb ports (thought maybe that was the problem)

    i tried reinstalling the usb drivers through device manager and had no luck.

    i dont know what to do


    Specs of the computer
    Windows XP SP2
    Asus A8N-VM
    AMD64 3000+ s939
    512mb ram
    Last edited by Spicker; 07-11-2006 at 01:38 PM.

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  2. Software & Hardware   -   #2
    Virtualbody1234's Avatar Forum Star BT Rep: +2
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    Does it work in the rear USB port(s)?

  3. Software & Hardware   -   #3
    suprafreak6's Avatar Suprafreak6 is Back!
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    i think not...because he said ANY...

  4. Software & Hardware   -   #4
    Spicker's Avatar AKA jaigandhi5 BT Rep: +7BT Rep +7
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    Quote Originally Posted by Virtualbody1234
    Does it work in the rear USB port(s)?
    i unplugged the front usb ports...

    the usb ports on the motherboard dont work

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  5. Software & Hardware   -   #5
    Virtualbody1234's Avatar Forum Star BT Rep: +2
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    USB enabled in BIOS?

    Does USB hub and USB host controller show in Device Manager?

  6. Software & Hardware   -   #6
    Spicker's Avatar AKA jaigandhi5 BT Rep: +7BT Rep +7
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    Quote Originally Posted by Virtualbody1234
    USB enabled in BIOS?

    Does USB hub and USB host controller show in Device Manager?
    Yes and Yes.

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  7. Software & Hardware   -   #7
    Virtualbody1234's Avatar Forum Star BT Rep: +2
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    Ouch. Looks like a USB 2.0 PCI card is next.

  8. Software & Hardware   -   #8
    Before you give up totally you can try to remove the motherboard from power completely, that includes removing the battery and disconnect the power connector from the motherboard. Using a ohm meter lead or a short wire start touching leads inside the power connector on the motherboard to discharge any voltages that may be left behind in the caps to try and unlock the usb chip again. Its kind of random and is definately a shot in the dark but if you reversed the polarity of the usb chip this may bring it back.

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