Displaylink ceases to work in 10.13.4

[Pagany]

Originally Posted by Roisin

Having been following this forum for 9 months now, I downloaded Mojave as soon as it was released. I then uninstalled beta 4.3. Installed beta 5. Uninstalled beta 5, Reinstalled beta 5. Undocked and repeated the cycle (probably 4 times now) and my external screen stll won't work. I'm not even getting a black screen with mouse. The screen doesn't even wake up.
MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports)
Anyone got any ideas?
Please help

Did you give permission to installed drivers in privacy and security?