Originally Posted by droid newb
menu > settings > applications > development > uncheck "usb debugging"
Try that. If it doesn't work try reinstalling the drivers, uncheck "usb debugging" and plug it in again.
I had the same issue and this is what ultimately worked for me. I have a Windows 7, 64 bit laptop.
What he said plus try another usb cable. Stock cables have been crapping out on data transfers like you wouldnt believe. Thats how i fixed my connection issues.