LED's but no display

[le_moose1]

first boot usually takes 10-15min

What power supply is used ?

Already tried another OS or version ?

Purchased items:
ROCK64 / PINEBOOK 5V 3A SWITCHING POWER SUPPLY
Power Supply: US
32GB eMMC
ROCK64 MEDIA BOARD COMPUTER
DRAM: 4GB

eMMC not part of initial attempt to boot.
flashed Android OS with Etcher to Sandisk 32GB microSD card. Same style card works flawlessly on RPi3.

Retried this am and at this posting the unit has been connected for 15+ minutes without showing any signs of activity from the LED's or screen.

Not quite a rookie at troubleshooting, but I would think there should be at worse some video display, correct? I didn't plan on running this "headless", but would I not have to set it up with a display?

If there is any change to my display, I will certainly reply with the results. 

Thank you