How To Fix Windows Problems With USB-C Display When Nothing Else Works

Here are the registry keys to delete and get it running again.

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Steps to solve the problem

If you ruled out the cable, the display, your BIOS updates and the display is still not connecting with your notebook even though it worked before, the fault sits in the specific connection betweeen your notebook and your display.

Here is a quick way to delete old cached values and get the connection running again.

  1. Open regedit
  2. Go to HKLM\SYSTEM\CurrentControlSet\Control\GraphicsDrivers
  3. Export GraphicsDriversas backup via right click
  4. Delete the keys Configuration and Connectivity
  5. Restart the notebook