Hi and thanks for reaching out. My name is William. I'm a Microsoft Windows Certified Professional and Systems Administrator. I'll be happy to help you out today.
Any standard troubleshooting done? I would start by reinstalling the Unity hub, following by updating GPU driver to most recent build or (if at most recent) move to an older build. Another option is to reseat the video cables on both ends, replace them, or move to a different type is that is an option, e.g. HDMI, DVI, Display Port.