- retroarchrig
For an enhanced and wider display, you can connect the system to a Google TV or Smart TV via HDMI.
Ensure your Smart TV is set to the correct HDMI input mode.
Use a recommended HDMI 3.1 cable for the best performance.
On the system’s main interface, press [START] on your controller or [SPACEBAR] on the keyboard to open the Main Menu.
Go to System Settings > Video Output and select the appropriate HDMI option.
Next, go to Audio Profile / Audio Output and select the corresponding option as well, so both video and audio are routed through your TV.
You may also refer to this video guide if you're on laptop and trying to connect to an external monitor: