How To enable or disable touch screen from Windows

1. Open “Device Manager”
2. Navigate to option “Human Interface Devices“, then expand to find “HID-compliant touch screen” or “HID-compliant device“. If you cannot find these options, click View -> Show hidden devices.
3. Right-click “HID-compliant touch screen” or “HID-compliant device” to click “Disable”

4. Prompt window will appear “Disabling this device will cause it to stop functioning. Do you really want to disable it”. Click “Yes”

Just do the same and choose enable to bring the touchscreen back.