To resolve startup problems, consider the following steps: 

 1. Restart Your Device: Perform a simple restart of your Fire TV device.

 2. Check Device Connections: Ensure all connections to your device are secure. Additional Solutions: 

    - Verify Power Supply: Use the provided power cord or adapter to ensure your Fire TV has sufficient power. 

    - Allow Time for Changes: Let the device remain on for at least 25 minutes or until the screen changes. 

    - Test HDMI Setup: Experiment with and without HDMI adapters or extenders. 

    - Use High-Speed HDMI Cable: Ensure you're using a high-speed HDMI cable for optimal performance.

    - Try Different HDMI Ports: Test your Fire TV on different HDMI ports on your TV. 

    - Direct Connection: If using HDMI hubs, connect the Fire TV device directly to the TV. 

    - HDCP Compliance: Confirm your TV supports HDCP by referring to the owner's manual. 

    - Alternative TV: If feasible, test the Fire TV on a different television. 

 If the issue persists, consider resetting your Fire TV device to its factory settings.