Q: Can this item support dual screen display?
A: Hello, no. It is a switch and cannot be displayed on both screens at the same time.
Q: WiIl this work the opposite way?
A: This switch is for 3 signal hosts to connect to 1 TV. It could not be conneded to 2 or more TVs/Monitors.
Q: How to solve the problems like screen goes black and
cuts off or keeps flickering?
A: For some devices, the HDMI switch may not work when only one input device is power on due to insufficient power. In this case, please turn on two or all the three source devices to try. Or change a HDMI cable to try, 5 meters in max to keep stable connection.