1. Is the pi up to date? apt update && apt dist-upgrade && reboot
2. Why are you turning off the power of the adapter?
3. Look in dmesg after the issues. And actually, clear it before running airmon-ng commands, then attach it here.
2. Why are you turning off the power of the adapter?
3. Look in dmesg after the issues. And actually, clear it before running airmon-ng commands, then attach it here.