5.2 software is designed to run on Mac OS 10.15, but the OS can disable. Replace the USB cable connected to the dock and computer - This will confirm that there isnt an issue with. Inspect the USB Up-Link port on the dock for damage - This could cause connectivity issues. This was likely in the custom Windows image due to a previous vulnerability in Thunderbolt 1 & 2 that is no longer present in Thunderbolt 3 devices.ĭell is not able to provide specific Windows imaging assistance but if the Windows administrator is familiar with the GPOs, looks over the information in the following link from Microsoft, they could adjust their custom Windows image accordingly. Some users updating to 10.15 have found their DisplayLink devices have stopped working. Common Troubleshooting steps: Plug the dock into a different USB port - This will confirm that there is not an issue with the original USB port. The security policy is preventing USB-C and Thunderbolt devices and drivers from being installed. This is caused by a Group Policy (GPO) setting in the Windows image. If you check Device Manager, you see a yellow exclamation mark (bang), and get a message ( Figure 1) if you try to automatically search for drivers on the device with Device Manager. An issue where several computers are unable to recognize USB-C or Thunderbolt docks.
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