The Mini-DP terminal must be connected to the monitor, not the host.
Note: The input device needs to be used with a CC data cable that supports USB 3.1 Gen2 full function.
Not work for thunderbolt and Type-C displays.
You need to use the 10Gbps usb-c to usb-c cable. (Other Cable not work)
This adapter allows you to mirror your laptop display to your mini Displayport-enabled TV or display.
USB-C to Mini-DP Adapter lets you connect your laptop with USB-C port to any mini Displayport display.