My Apple TV not working -
My Apple TV is showing the alert “ check signal cable” , but I have re- plugged and re-plugged it several times with no success.
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User profile for user:
Nicholas_B2
User level:
Community Specialist
Hello JAMYOWENS,
If you happen to have a different cable, check that to rule out any issues with the cable itself. If you have more HDMI ports on your TV, try those as well.
You can also try restarting your Apple TV by unplugging it which can reset the connection with your TV: How to turn off or restart your Apple TV - Apple Support
Unplug your Apple TV
If the Settings menu and your remote don't restart your device, unplug your Apple TV from power. Wait six seconds, then plug it back in.
Have a great day.