Armbianmonitor: http://ix.io/3yJl Hi!   Armbian_21.08.1_Orangepiprime_focal_current_5.10.60_xfce_desktop sometime failed to boot. No green indicator, and black screen.   Tried to decrease CPU max frequency sudo nano /etc/default/cpufrequtils ### ENABLE=true MIN_SPEED=480000 MAX_SPEED=1200000 GOVERNOR=ondemand ###   but still failed to boot sometimes.   Armbian_5.75_Orangepiprime_Debian_stretch_next_4.19.2