Screenshot 2020-02-11 at 01.30.41 (2).jpg
Screenshot 2020-02-11 at 01.30.41 (2).zip
Screen Recording optons was not available.
Spent 12 hours and got result. Catalina 10.15.3. Vantec USB3->DP4K.
Both internal and usb displays works.
Latest steps:
uninstalled "kext drivers" version (5.2.1(59))
in hackingtool - restore permissions and clear cache.
installed "app drivers" version (alpha 0.2.42)
SIP: enable
kext-dev-mode option removed from boot flags.
checked UsbCurrent - removed anything from USB except displaylink,keyboard and mouse, checked cables.