My Apple TV don’t turn on

What is your model Apple TV? Identify your Apple TV model - Apple Support

The unit will have a model number on the bottom (A1218, A1378, A1427, A1469, A1625, A1842, or A2169).

If the status light is flashing continuously (longer than ~15 seconds), then that indicates a failure to start up properly. The system software may need to be re-installed. This will need to be done externally, through a connected computer. How that is done, depends on the exact model. Restore your Apple TV - Apple Support

Unfortunately, you can’t with this model. You will need the assistance from Apple.

Restore your Apple TV - Apple Support

If you have an Apple TV 4K

If you […] see a black screen on your TV and flashing indicator light on the front of your Apple TV, contact Apple Support.