how to turn off track-pad function when using a mouse.
Hard to find the turn-off function of track-pad. No exist?
Jut go to Windows start screen and start typing "Track" and you'll see a list of settings below where you're typing. You should be able to,find where you can disable it completely.
If not, navigate to Control Panel, select System,Devices, find the Track pad under HID or input devices, right click on the track pad and click "Disable".