I need help with my Mx9. I followed the installation steps correctly, but no matter what image I flash on the eMMC, it refuses to boot Armbian. When I start the Box, a yellow light starts flashing after 10-12 seconds, but nothing appears on the screen even if I leave it on for longer. It also won't boot if I flash an Armbian image onto an SD card and try to boot from there. Here are some pictures of the board: