Hi,
1. Can you test yours setup with new 5.2.1 drivers?
You can download it from here:
https://www.displaylink.com/downloads/file?id=1478
2. Please update your dock hub using "Dell Firmware Update Utility":
https://www.dell.com/support/home/pl...-d6000/drivers
3. If hub firmware update does not help then please submit your logs using that tool:
https://www.displaylink.com/downloads/file?d=66