Having too many usb devices plugged in

in the last week iv noticed that if i use my usb microphone i get a error message , something to do with the usb memory allocation being used up , i never had this before but i have since bought a wireless keyboard and mouse , and a logitech usb microphone , i also have a webcam plugged in also , whats causing this and is there anyway too fix it( surely i should beable too have all on at once) i have even tried moving the wireless keyboard and mouse to the front of my unit and everything else is plugged in the back , any help would be great
4 answers Last reply
More about having devices plugged
  1. Go to your motherboard manufacturer's site and download the latest USB drivers.
  2. happend again it says

    the controller does not have enough bandwidth available for usb composite devices
  3. I've never heard of a webcam or mic chewing up that much bandwidth.
    Oh well, I guess the only solution is a USB PCI card like this:
    Koutech PCI to USB2.0 Card Model IO-PU520 $12
  4. strange thing is i have a pci to usb card installed and it even does it on that
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