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	09-06-2010 #14If any USB device makes the noise, they all will. 
 
 The computer finds a USB device and gets it's unique product ID number. Then it goes "dee-dum" and looks for software matching that number.
 
 No noise means there is a problem in the firmware or the hardware.
 
 Product ID numbers are a problem if you want to make USB devices. The numbers are free but you have to join the USB club to get them which costs about £3k IIRC. When I needed numbers I searched the web and found a USB club member wanting to sell me ten numbers for a hundred pounds or so which is how I got around it. Wonder what number you are using.
 
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