- Check Your HDMI Cable Connection
Ensure that your HDMI cable is securely connected to both your TV and source device. - Restart the Device
Turn the source device off, wait for 5-10 seconds, and turn it back on. - Adjust Your TV’s Image Settings
Create a clear pairing between your TV’s image settings and source device by selecting the appropriate setting from the Picture mode, Aspect ratio, and Size options available in your TV’s menu. - Check For Firmware Updates
Some TVs have an 'auto-update' feature. You can also manually check if any firmware updates are available for your device through the TV's menu.