9. Running the UPDD Diagnostics to troubleshoot the touch screen
Troubleshooting the UPDD touch-base driver
If the touch hardware is listed in System Report but touch is still not functional, open the Diagnostics from UPDD console and run the diagnostics:
https://support.touch-base.com/Documentation/50453/Diagnostics-procedure
You will be asked to draw some patterns.
It will create a zip file on your desktop and this can be sent to support@touch-base.com