Can you perform a clean uninstall and reinstall of your Synapse 4 by following the steps from this article? If the issue continues, please send me a PM with the serial number of your keyboard so I can verify it in our system and use it for your case.
We use 3 different kinds of cookies. You can choose which cookies you want to accept. We need basic cookies to make this site work, therefore these are the minimum you can select. Learn more about our cookies.