Please i need help,some weeks ago,i posted that my system toshiba A135 is having a freezing problem anytime i insert a usb device.i was using windows xp professional then.now i have changed to windows vista that is the orginal O.S that came with my toshiba.whenever i plug a device it doesnt hang but it says usb device not recognize ,unable to install device driver etc.pls i need some tech advice