A:Answer Hi,
If your screen only has a Mini DisplayPort, you can connect a USB-C to HDMI adapter > HDMI cable > HDMI to Mini DisplayPort > your external screen. If you have any questions or concerns, please use the link below to reach us and also you can contact this phone number 877-467-4289 for further assistance.
Insignia Products
Nikki
https://insigniaproducts.com