Check whether your second display is working properly with another computer or not. Using the same HDMI port while connecting it to another PC or machine is recommended. In this way, you can ...
heavy-hitting laptop docking station that can push up to 4 displays through HDMI or DisplayPort. Altogether, this dock can provide most ports needed for even professional desks.
As highlighted by PC Watch, the tiny receivers feature a full-size HDMI port, allowing you to connect ... with 90W available for your laptop or other devices after the 10W required by the mouse ...