Why is my Smart TV not recognizing any HDMI inputs?

1. Check the power cable of your Smart TV to make sure it is securely plugged in.
2. Unplug the TV from power and wait 10 seconds, then plug it back in.
3. Switch to a different HDMI port on your TV to make sure it is working.
4. Unplug all cables from the HDMI ports, then re-plug them in.
5. Run a Series test for your TV's input and make sure the correct HDMI port is marked active.
6. Connect your device to a different source/display and check if the issue persists.
7. Check if your device’s firmware is up-to-date.
8. Reset your Smart TV.