Ports were working fine and stopped. The USB for the Key Board and mouse still work. If I bypass the hub with the video and go directly to the monitor from the MacPro it works fine. It’s acting like the driver is no longer working.
Hello,
Thank you for contacting Plugable! I’m sorry the UD-3900Z isn’t working as expected and will be happy to assist.
The most common reason a DisplayLink-based product like UD-3900Z may stop outputting video after working with your Mac for a period of time is that the DisplayLink Manager is no longer running. The DisplayLink Manager is the software responsible for allowing DisplayLink-based video ports to output to connected displays. If the DisplayLink Manager is not running then the video will not work correctly.
You can see that the DisplayLink Manager is running by checking if its icon is present in the macOS menu bar at the top of your screen. When the icon isn’t present the DisplayLink Manager is not running.
If the DisplayLink Manager isn’t running, you can start it by following these steps:
- Open Finder
- Navigate to the Applications folder on the left side of the Finder window
- Within the Applications folder, locate the DisplayLink Manager
- Double-click on the icon for DisplayLink Manager to open it
- Verify that the DisplayLink Manager icon appears in the macOS menu bar, indicating it’s running
Please let me know how this works out, and feel free to ask if you have any questions.
My apologies for the frustration, and thank you for giving us the chance to help.
Sam
Plugable Technologies
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