I have tried both a microsoft 5000 as well as a logitech bluetooth mouse with the T900 with Win7 pro 64 bit. the mouse randomly stops working (1-2 times per day). I have tried new batteries and reconnecting the mouse (remove /reinstall the driver) but the only fix is to reboot. I have seen fixes posted on the web disabling power managment of the bluetooth radio, however this tab isn't available on the T900 bluetooth radio properties. Is this a problem with the T900 bluetooth radio? Is this a Win 7 problem?