Because the signature pad is a piece of computer hardware from an outside company source, Planet DDS suggests the office contact the seller for troubleshooting and assistance.
The best way to test if the signature pad is to isolate using it outside of denticon by going to this link on the computer with the signature pad driver and updated certificate already installed to see if it works outside of denticon:
https://www.sigplusweb.com/sigwebtablet_demo.html
Alternately, the recommended signature pad T-S460-HSB-R is manufactured by Topaz Systems, the service team for which may be reached at 805-520-8286 or [email protected]