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 did my HDMI port stop working?
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 HDMI not showing on TV?
Make sure the TV is set to the correct video input to receive the HDMI signal. Most TV remotes have an Input button that cycles from one input to the next. Press the Input button repeatedly until the correct HDMI input is displayed on the TV. Be sure to check which input on the TV you are connecting to.
How do I know if my HDMI port is broken?
If the HDMI cable, which sends high-definition pictures and sound from your console to your television, is plugged into the port but there is still no video, the port may be damaged or not working properly. Possible signs of a PS4 HDMI port issue are: A black screen or a “No Input” message.
