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PC Doesn't detect USB devices

Discussion in 'Hardware' started by vandamsel, Aug 24, 2005.

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  1. vandamsel

    vandamsel Thread Starter

    Jul 6, 2005
    Hi, I heres the problem:
    My PC will no longer detect USB devices: My Mp3 Player/Memory Stick, My Web Cam or my Mobile Phone Data Cable.

    usualy when you plug a USB device in to windows XP OS you hear that sort of 'bong' sound and the icon appears in the sys tray, right? it isnt doing that no more and my mem stick doesnt show up in 'my computer' or device manager, although when i plug it in it powers on (same with all the devices)

    I have tryed both front and back USB slots on my PC.

    Is there a service your PC depends on to run these? i have quite a few disabled due to low RAM, but i don't know which one it could be (if it is this)

    Windows XP Pro 2002 service pack 2.
    AMD Semp 2600+
    256MB RAM
    ASROCK K7S41 Mobo

    Cheers for any help.
  2. ineedhelp890


    Jun 22, 2004
    Check your CMOS if there any setting there to turn them off. I would try to obtain a PCI USB card and try that.
  3. JohnWill

    JohnWill Retired Moderator

    Oct 19, 2002
    Unplug ALL USB devices.
    Open Device Manager.
    View, Show Hidden Devices.
    Uninstall all devices under USB Controllers.
    Uninstall all devices under Storage Volumes. Say no to any reboot prompts until you are finished. Also, if a Storage Volume doesn't uninstall, ignore it and move to the next one.
    If you have a yellow ? with unknown devices, uninstall all of the entries there as well.

    When this is done, reboot TWICE.

    Reconnect the USB devices and see if they're recognized properly.
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