My box is connected by I can't see anything on my TV
First check that your Box’s power supply unit is working correctly (a green light should be illuminated).
Next, check that the HDMI cable is connected to your Box and try disconnecting and reconnecting the HDMI cable to your TV.
Next, check that your Box is powered on (there should be a blue light on the Box).
Finally, check that your TV is working by using the TV remote and going to the settings of the TV.