- Right-click "Computer." From the context menu that appears, click "Properties."
- Click "Device Manager."
- Look at the status of your HDMI port in the dialog box. If the status reads "This device is working properly," your HDMI port is functioning.
Do HDMI ports go bad?
When you suddenly can't view a picture on your television or sound is no longer being transmitted on your Smart TV when using HDMI, it is an indication that the HDMI port is faulty. A fault with the HDMI cable or port could affect the television remote and stop it from functioning well when you use an HDMI connection.15 Jun 2021
How do I troubleshoot my HDMI port?
- Disconnect all your HDMI cables from your ports.
- Shut down all your devices (your computer, monitor and TV) completely and unplug their power cables (and battery if you are using a laptop).
- Leave them for five minutes.
- Plug the power cables (and the battery) back in.