The trackpad on your laptop is great when you're working without a mouse, but not so much when you're using a keyboard and a mouse. Constantly brushing against the trackpad sends your cursor from one side of the page to the other and can get frustrating. Here's how to disable them on both the WIndows & Mac platforms.
Windows: Automatically disable the trackpad if an external mouse is connected
1. Open the Windows Start menu (you can also press the Windows button on your keyboard & go to the "Settings" menu
2. Find the "Touchpad" section in the left content bar
3. Uncheck the option labeled "Leave touchpad on when a mouse is connected
This only applies to Windows laptops running Windows 10 or newer. Anything older is considered antiquated & there we won't have a correlation article for it.
Mac: Ignore built-in trackpad when an external mouse or wireless trackpad is present
1 Click the Apple menu in the top-left corner of your screen and choose System Preferences (System Settings on macOS Ventura and above).
2. Click on the Accessibility icon.
3. Scroll down to "Pointer Control & check "Ignore built-in trackpad when mouse or wireless trackpad is present"