Please follow the steps provided below for solving power related issues.
- Is the power rocker switch on the back of the unit near the power cable in the "On" position?
- Is the power button LED red, green or off?
- Is there anything connected to the display other than power and HDMI/VGA cable?
- Perform a reset by holding down the power reset button and after 5 seconds press the power button while still holding down the reset button. It's located near the power cable on the rear and please make note of the behavior of the power button LED on the front of the unit while performing this step. The unit should power on after performing the reset.