To disable the touch screen on your computer, follow these steps:

1. Check your manufacturer’s specifications: Many devices come with a touch screen enabled by default, while other devices have the ability of being turned on or off.
2. Access your device’s system preferences: Depending on your device, the process to access the system preferences menu varies. Search online for instructions specific to your device.
3. Find the touch screen settings: Once you are in the System Preferences menu, look for the settings related to the touch screen.
4. Disable the touch screen: Find and disable the settings related to the touch screen. This will delete the ability to use the screen as an input device.