Also, make sure that when you power the board, after a second or two, the red LED must turn on. If this doesn't turn on, remove power and try again until the red LED turns on.
I tried to install armbianmonitor on the opi zero 2, but unfortunately this fails:
orangepizero2:~$ sudo armbianmonitor -r
Installing RPi-Monitor. This can take up to 5 minutes. Be patient pleaseE: Unable to locate package rpimonitor
/usr/bin/armbianmonitor: line 697: /usr/share/rpimonitor/scripts/updatePackagesStatus.pl: No such file or directory
/usr/bin/armbianmonitor: line 193: /etc/rpimonitor/template/raspbian.conf: No such file or directory
/usr/bin/armbianmonitor: line 196: cd: /etc/rpimonitor/: No such file or directory
sed: can't read /etc/rpimonitor/template/temperature.conf: No such file or directory
sed: can't read /etc/rpimonitor/template/cpu.conf: No such file or directory
sed: can't read /etc/rpimonitor/template/version.conf: No such file or directory
Can I do something to resolve this or do I just need to have patience