Posted 11/20/2014 10:55 (#4189826 - in reply to #4188321) Subject: RE: Mouse/mouse pad
External as in USB? Any special drivers installed or just the Windows default?
Check device manager & see if you have any yellow exclamation points. Even if you don't simply uninstall your mouse/mice & restart the computer. Windows will find the mouse on restart & re-install the drivers.