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  1.    #1  
    Dear All,

    When I try to sync my 650 with my windows laptop, all of the sudden device manager now shows unknown USB device.. The sync has worked without an issue ever since I first bought my phone (~1.5 yrs), and now all of the sudden has a problem.. I had this problem a few weeks ago, and wound up re-installing everything, which seemed to fix the problem.. Is there a known bug with the USB drivers? Any help would be greatly appreciated!

  2. #2  
    Reinstalling everything as in Windows? Or just the desktop software. Did you try manually attaching the drivers via device manager?

  3. #3  
    I had the same problem and I was able to fix it by put in the CD and reload the drivers through device manager.

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