The mini PC also has Wi-Fi 6 connectivity and an ESS ES9018 32-bit Hi-Fi DAC for improving the overall audio experience. There are two built-in microphones on the front panel to help with voice recognition, which would be handy if you ever wanted to speak to Cortana. The mini PC has an integrated fingerprint reader that's managed by a separate security chip, according to Beelink. To restart your PC, click Start > Power > Restart.The Beelink GT-R Pro isn't short on features or connectivity either. A restart closes all other processes that are running and that may interfere with the connection between your PC and the second monitor. Restarting your computer works effectively for many issues, including when your second monitor is not detected. You can do this by going to the display manufacturer’s website and check the support page for information on how to apply the latest firmware update. You may need to update the firmware of the display you’re setting up as a second monitor to fix any compatibility issues or bugs.Connect another working monitor to check if the issue is with the graphics card.

Make sure the correct input (HDMI, DVI, etc) is selected using the built-in controls on your monitor.

Some monitors have a switch at the back to power on the display. Check whether the second monitor is connected to a power source.Try using the second PC monitor with a different system to isolate whether the issue is with the primary system or the monitor.Disconnect any accessories like connected adapters, dongles, or docks that could cause hardware conflicts between your PC and second monitor.If you change the cable and the new cable works with your display setup, it means the old one is faulty. If the cable is damaged or malfunctioning, Windows won’t detect the second monitor.

Confirm that you’re using the right cable to connect your PC and the second monitor.

These may resolve your issue with the second monitor not detected before you need to dig deeper into other issues. You can start with the following basic troubleshooting tips. Check out our YouTube video! Fix Second Monitor Is Not Detected in Windows 10

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