Hi Erik,
Thanks for clearing up those details for me.
I’d like to look into the specifics of your system by requesting some log files. We have a diagnostic utility that helps us understand more about what could be going on in situations such as these. Please keep the UD-3900 dock connected to your computer (with the peripherals still attached), then navigate to our PlugDebug tool (https://plugable.com/support/plugdebug) and follow the instructions there.
The PlugDebug utility will create a ZIP file on your Desktop, which contains the system logs and information. Could you please send that file to us directly at support@plugable.com with the subject line: “Ticket #259397” ?
Thanks for your patience while we work to help!
Mitchell