How do you turn on and off the touch display on Dell Insprion 15R?

To turn on the touch display of a DELL Inspiron 15R, simply ensure that the laptop is powered on and that the touch feature is enabled in the system settings. If it doesn't respond, you may need to update the touch screen drivers. To turn off the touch display, you can disable it through the Device Manager by right-clicking on the touch screen device under "Human Interface Devices" and selecting "Disable." Alternatively, you can adjust the settings through the BiOS menu if available.