Connecting Nano to PC causes other USB devices to unconnect

Connecting Nano to PC causes other USB devices to unconnect from USB2 ports. USB2 are on a pci card. Is there anything I can do to stop this from happening?
Thanks,
RON C

Hi
I have Satellite M70-159 and I didnt notice any strange problem with USB ports. I use a few of them like printer, webcam, USB memory stick, optical mouse and external HDD. The devices are recognized properly and I remove them always without safe remove option.
Now I have Vista preinstalled and till now there is no problem. If I understood you right USB ports are working well but there is problem with USB modem only. Am I right?
Try also to contact modem producer support. Maybe is issue like this known and hopefully they have some logical explanation.

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