my board don't start te system

[timmosaurusrex]

I have a nanopc t4 and I make armbian buster booteble and it takes a few second and then the screen goes on and I wait a 1 hour and noting is going happening he does nothing

Board: Not on the list

[Igor]

Do you hold boot button when you power the board on? If not, system from eMMC boots.

BTW. Is this a HDMI display?