I just plugged in my atomic pi with the baby breakout board and 5V 4A power supply and nothing shows on the hdmi monitor screen. The yellow led glows and I have tried to press reset button and power up again but no signal and nothing on the connected keyboard. Any ideas what might be going wrong? I downloaded one of the ubuntu images but haven't tried loading any of them yet and was just hoping to see and enter the bios to begin with. The board gets slightly warm I measured about 90 degrees F on the heat sink.