If only one of your BenQ GW2450 monitors is working while both are plugged in, there are a few troubleshooting steps you can take to try to resolve the issue. Here are some suggestions: 1. Check Power Connections: - Ensure that both monitors are securely plugged into a power source. - Verify that the power cables are not damaged. 2. Check Video Connections: - Make sure that both monitors are connected to the computer using the appropriate video cables (such as HDMI, DVI, or VGA). - Try swapping the video cables between the monitors to see if the issue is with the cable or the monitor itself. 3. Check Display Settings: - Go to your computer's display settings and check if both monitors are detected. - Verify if the...