You can download the driver without buying a new mouse (or lost your disc). I've plugged in Logitech mice with Microsoft Mouse installed before and it still see

You can download the driver without buying a new mouse (or lost your disc). I've plugged in Logitech mice with Microsoft Mouse installed before and it still seemed to work fine. http://www.macupdate.com/app/mac/29220/microsoft-mouse http://www.macupdate.com/app/mac/29220/microsoft-mouse