The reason why your devices that are plugged into an HDMI are not correctly working is either because: The HDMI port or cable are physically damaged or bent. The Drivers for your PC are not up to date, and they are preventing a picture/ sound from appearing. You have not configured your Display to be the main screen.
Why isn’t my HDMI working on my PC to TV?
First, make sure that you go into your PC/Laptop settings and designate HDMI as the default output connection for both video and audio. If you can’t get an image from your laptop to show up on your TV screen, try the following: Try booting up your PC/Laptop with the HDMI cable connected to a TV that is on.
Why does my HDMI port not work?
The HDMI cable you’re using might be malfunctioning or too old to perform adequately. Try a different HDMI cable to see if it solves your issue. Alternatively, you can use the first HDMI cable to connect a different video device to check if the video device is malfunctioning.
Why is my monitor not displaying HDMI?
Why Won’t My Monitor Recognize HDMI? If your monitor doesn’t recognize an HDMI connection, it’s likely because it’s set to the wrong output. The HDMI port or cable might also be damaged.