My Treo 650 decided it didn't want to connect via USB to my PC this morning. I think I have identified it as a handset issue as I have tried a variety of things with another Treo 650 user in my office. My Treo doesn't connect regardless of the PC or the cable being used, but the other Treo connects flawlessly using either PC or cable. Does anyone have any recommendations of what I can do? I have tried resetting the Treo, but that didn't help.